cross-multiply
cross-multiply · cross-multiplies · cross-multiplied · cross-multiplying
To set the product of the extremes of a proportion equal to the product of its meansTo set the product of the extremes of a proportion equal to the product of its means.
Meaning
1 sensesTo set the product of the extremes of a proportion equal to the product of its means.
Cross-multiplying 3#47;5#61;x#47;2 yields 3#92;times2#61;5x.
Origin
From cross- + multiply.From cross- + multiply.
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Forms
cross-multiplies, cross-multiplying, cross-multiplied, cross-multiplied| Base form | cross-multiply · to cross-multiply |
|---|---|
| 3rd person singular | cross-multiplies |
| Present participle | cross-multiplying |
| Past simple | cross-multiplied |
| Past participle | cross-multiplied |
regular · Lesson
Lessons for this word
3 lessons- A1Present simple — Because it is a verb
- A1Past simple, regular verbs — Because of its past form
- A2Present perfect: introduction — Because of its past participle