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Finding the Third Proportional to 1,126,702.13 and 2,387,493.56

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Solution

The third proportional to 1,126,702.13 and 2,387,493.56 is: 5,059,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,702.13 : 2,387,493.56 = 2,387,493.56 : x
  2. Step 2: Convert to fraction form
    1,126,702.13/2,387,493.56 = 2,387,493.56/x
  3. Step 3: Cross multiply
    1,126,702.13x = 2,387,493.56 × 2,387,493.56
  4. Step 4: Simplify right side
    1,126,702.13x = 5,700,125,510,978.94
  5. Step 5: Solve for x
    x = 5,700,125,510,978.94/1,126,702.13
  6. Step 6: Final answer
    x = 5,059,123.78

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.