The ratio of the corresponding parts of these pentagons is 2:3. What is the value of x?

Answer:
I'm not entirely sure if this is correct.
Step-by-step explanation:
[tex] \frac{2}{3} = \frac{30}{x} \\ 2x = 3(30) \\ \frac{2x}{2} = \frac{90}{2} \\ x = 45[/tex]