Finding the Third Proportional to 515 and 1,337
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Solution
The third proportional to 515 and 1,337 is: 3,471.01
Step by Step Solution
- Step 1: Write the proportion equation
515 : 1,337 = 1,337 : x - Step 2: Convert to fraction form
515/1,337 = 1,337/x - Step 3: Cross multiply
515x = 1,337 × 1,337 - Step 4: Simplify right side
515x = 1,787,569 - Step 5: Solve for x
x = 1,787,569/515 - Step 6: Final answer
x = 3,471.01
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These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.