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Finding the Third Proportional to 63,490.50 and 135,425.25

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Solution

The third proportional to 63,490.50 and 135,425.25 is: 288,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.50 : 135,425.25 = 135,425.25 : x
  2. Step 2: Convert to fraction form
    63,490.50/135,425.25 = 135,425.25/x
  3. Step 3: Cross multiply
    63,490.50x = 135,425.25 × 135,425.25
  4. Step 4: Simplify right side
    63,490.50x = 18,339,998,337.56
  5. Step 5: Solve for x
    x = 18,339,998,337.56/63,490.50
  6. Step 6: Final answer
    x = 288,862.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.