please see attached image

Answer:
x = 3
Step-by-step explanation:
we put the ratio and the length equal to each other so now its
[tex]\frac{2}{1}[/tex] = [tex]\frac{16x}{24}[/tex]
48 = 16x
x = 3
now we check [tex]\frac{AB}{CB}[/tex] = [tex]\frac{3*16}{24}[/tex] = [tex]\frac{48}{24}[/tex] = [tex]\frac{2}{1}[/tex]