The equation in the image is:

$\frac{y}{54} = \frac{2}{9}$

To solve for $y$, we can use cross-multiplication. Cross-multiplying the fractions gives:

$y \times 9 = 2 \times 54$

This simplifies to:

$9y = 108$

Now, divide both sides by 9:

$y = \frac{108}{9} = 12$

Thus, $y = 12$.

Would you like any further details or clarification on this? Here are 5 related questions:

1. What are the steps to cross-multiply two fractions?
2. Can you solve a similar equation, such as $\frac{x}{20} = \frac{3}{4}$?
3. How do you verify your solution once you've found $y$?
4. How does cross-multiplication work when there are variables in both numerators?
5. Can this method be used to solve proportion problems in real-life situations?

Tip: Always simplify fractions before solving equations—it can make calculations easier and more accurate.