Euclid:Proposition/VIII/21

Proposition

In the words of Euclid:

If two mean proportional numbers fall between two numbers, the numbers will be similar solid numbers.

(The Elements: Book $\text{VIII}$: )


Sources

  • 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{VIII}$. Propositions
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