To solve the equation $\frac{13}{3} = \frac{26}{y}$, we can use cross-multiplication. Here's how:

$13y = 3 \times 26$

Simplifying:

$13y = 78$

Now, divide both sides by 13 to isolate $y$:

$y = \frac{78}{13}$

$y = 6$

Thus, $y = 6$.

Would you like further details or explanations on any step?

Here are 5 related questions to expand your understanding:

1. How would you solve $\frac{a}{b} = \frac{c}{d}$?
2. What is the process of cross-multiplication, and when can it be used?
3. Can you apply the same method to $\frac{5}{x} = \frac{15}{2}$?
4. What happens when one of the terms in a ratio is negative?
5. How do you verify your solution for $y$ in the equation?

Tip: Always check your solution by substituting it back into the original equation to ensure both sides are equal.