Finding the Third Proportional to 438 and 482
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Solution
The third proportional to 438 and 482 is: 530.42
Step by Step Solution
- Step 1: Write the proportion equation
438 : 482 = 482 : x - Step 2: Convert to fraction form
438/482 = 482/x - Step 3: Cross multiply
438x = 482 × 482 - Step 4: Simplify right side
438x = 232,324 - Step 5: Solve for x
x = 232,324/438 - Step 6: Final answer
x = 530.42
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.