2 | |
3x |
= |
6 |
9 |
If 2 proportions are equal to each other, then we can cross multiply to get:
Numerator 1 Denominator 1
=
Numerator 2 Denominator 2
Numerator 1 * Denominator 2 = Denominator 1 * Numerator 2
Denominator 1 = | Numerator 1 * Denominator 2 |
Numerator 2 |
3x = | 2 * 9 |
6 |
3x = | 18 |
6 |
3x | |
3 |
= |
3 |
3 |