Question

If a/b = c/d , b ≠ 0, and d ≠ 0, then ad = ______ by the Means-Extremes Product Property.

Answer 1

$\dfrac{a}{b}=\dfrac{c}{d}\\ ad=bc$

Answer 2

$\frac{a}{b}=\frac{c}{d} \ \ \ |\times b \\ a=\frac{bc}{d} \ \ \ |\times d \\ ad=bc$

If a/b=c/d (b≠0 and d≠0), then ad=bc.