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Finding the Third Proportional to 451,618.88 and 615,132.38

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Solution

The third proportional to 451,618.88 and 615,132.38 is: 837,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,618.88 : 615,132.38 = 615,132.38 : x
  2. Step 2: Convert to fraction form
    451,618.88/615,132.38 = 615,132.38/x
  3. Step 3: Cross multiply
    451,618.88x = 615,132.38 × 615,132.38
  4. Step 4: Simplify right side
    451,618.88x = 378,387,838,773.14
  5. Step 5: Solve for x
    x = 378,387,838,773.14/451,618.88
  6. Step 6: Final answer
    x = 837,847.71

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.