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cross-multiply

From Wiktionary, the free dictionary

English

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Etymology

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From cross- +‎ multiply.

Verb

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cross-multiply (third-person singular simple present cross-multiplies, present participle cross-multiplying, simple past and past participle cross-multiplied)

  1. To set the product of the extremes of a proportion equal to the product of its means.
    Cross-multiplying yields .

Further reading

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