Question

Q2. Find x if 9, X, X, 64 are in proportion.​

Answer 1

$\huge\underline\mathfrak\red{Answer:}$

9:x::x:64

Sum of mean = Sum of exterior

$9 \times 64 = x \times x$

$576 = {x}^{2}$

$24 \times 24 = {x}^{2}$

${24}^{2} = {x}^{2}$

$x = 24$