Question

If,
$\frac{1}{3} : \frac{1}{x } = \frac{1}{x} \: : \frac{1}{27} \:$
then the value of x is____.​

Answer 1

Answer:

$\frac{1}{3} \times \frac{1}{27} = \frac{1}{x} \times \frac{1}{x} \\ \frac{1}{81} = \frac{1}{ {x}^{2} } \\ {x}^{2} = 81 \\ x = 9$

Hope it helps you mate!!!!!