elem.5.def.4

Magnitudes are said to have a ratio to one another which are capable, when multiplied, of exceeding one another. Λόγον ἔχειν πρὸς ἄλληλα μεγέθη λέγεται, ἃ δύναται πολλαπλασιαζόμενα ἀλλήλων ὑπερέχειν.