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Finding the Third Proportional to 247,618.13 and 372,018.38

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Solution

The third proportional to 247,618.13 and 372,018.38 is: 558,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,618.13 : 372,018.38 = 372,018.38 : x
  2. Step 2: Convert to fraction form
    247,618.13/372,018.38 = 372,018.38/x
  3. Step 3: Cross multiply
    247,618.13x = 372,018.38 × 372,018.38
  4. Step 4: Simplify right side
    247,618.13x = 138,397,671,337.64
  5. Step 5: Solve for x
    x = 138,397,671,337.64/247,618.13
  6. Step 6: Final answer
    x = 558,915.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.