Definition of rule of three in English:

rule of three

noun

Mathematics dated

A method of finding a number in the same ratio to a given number as exists between two other given numbers.
〔数〕〈旧〉三分律，比例律，比例法
Example sentencesExamples
- If the fruit diminish as the requisition increases, or augment as that decreases, they, who are skilled in accounts, consider the rule of three to be inverted.
- The rule of three is the familiar way of solving problems of this type: if a man earns 50 dinaras in 8 days how much will he earn in 12 days?
- The mathematics involves a study of proportion and percentages and introduces the rule of three for solving proportion problems.

Definition of rule of three in US English:

rule of three

nounˌro͞ol əv ˈTHrē

Mathematics dated

A method of finding a number in the same ratio to a given number as exists between two other given numbers.
〔数〕〈旧〉三分律，比例律，比例法
Example sentencesExamples
- The rule of three is the familiar way of solving problems of this type: if a man earns 50 dinaras in 8 days how much will he earn in 12 days?
- If the fruit diminish as the requisition increases, or augment as that decreases, they, who are skilled in accounts, consider the rule of three to be inverted.
- The mathematics involves a study of proportion and percentages and introduces the rule of three for solving proportion problems.

词汇	rule of three
释义	Definition of rule of three in English: rule of three noun Mathematics dated A method of finding a number in the same ratio to a given number as exists between two other given numbers. 〔数〕〈旧〉三分律，比例律，比例法 Example sentencesExamples If the fruit diminish as the requisition increases, or augment as that decreases, they, who are skilled in accounts, consider the rule of three to be inverted. The rule of three is the familiar way of solving problems of this type: if a man earns 50 dinaras in 8 days how much will he earn in 12 days? The mathematics involves a study of proportion and percentages and introduces the rule of three for solving proportion problems. Definition of rule of three in US English: rule of three nounˌro͞ol əv ˈTHrē Mathematics dated A method of finding a number in the same ratio to a given number as exists between two other given numbers. 〔数〕〈旧〉三分律，比例律，比例法 Example sentencesExamples The rule of three is the familiar way of solving problems of this type: if a man earns 50 dinaras in 8 days how much will he earn in 12 days? If the fruit diminish as the requisition increases, or augment as that decreases, they, who are skilled in accounts, consider the rule of three to be inverted. The mathematics involves a study of proportion and percentages and introduces the rule of three for solving proportion problems.
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