Question

in a proportion, the first, second, and fourth terms are 2, 18 and 81, respectively. Find the third term do it step by step for brainiest

Answer 1

Step-by-step explanation:

2:18::×:81

$\frac{2}{18} = \frac{x}{81}$

by cross multiplication

$18x = 162$

where 162 is 81×2

$x = \frac{162}{81} = 2$

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