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Finding the Third Proportional to 39,909.80 and 61,801.17

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Solution

The third proportional to 39,909.80 and 61,801.17 is: 95,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.80 : 61,801.17 = 61,801.17 : x
  2. Step 2: Convert to fraction form
    39,909.80/61,801.17 = 61,801.17/x
  3. Step 3: Cross multiply
    39,909.80x = 61,801.17 × 61,801.17
  4. Step 4: Simplify right side
    39,909.80x = 3,819,384,845.12
  5. Step 5: Solve for x
    x = 3,819,384,845.12/39,909.80
  6. Step 6: Final answer
    x = 95,700.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.