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Finding the Third Proportional to 3,732.75 and 6,490.13

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Solution

The third proportional to 3,732.75 and 6,490.13 is: 11,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.75 : 6,490.13 = 6,490.13 : x
  2. Step 2: Convert to fraction form
    3,732.75/6,490.13 = 6,490.13/x
  3. Step 3: Cross multiply
    3,732.75x = 6,490.13 × 6,490.13
  4. Step 4: Simplify right side
    3,732.75x = 42,121,722.52
  5. Step 5: Solve for x
    x = 42,121,722.52/3,732.75
  6. Step 6: Final answer
    x = 11,284.37

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.