Determine whether the following proportion is true or false. \[ \frac{5}{8}=\frac{20}{35} \] True False

Step 1 ：Check if the cross products are equal: \(5 \times 35 = 8 \times 20\)

Step 2 ：Calculate the cross products: \(175 \neq 160\)

Step 3 ：\(\boxed{False}\)