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Finding the Third Proportional to 542,702.81 and 797,793.47

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Solution

The third proportional to 542,702.81 and 797,793.47 is: 1,172,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,702.81 : 797,793.47 = 797,793.47 : x
  2. Step 2: Convert to fraction form
    542,702.81/797,793.47 = 797,793.47/x
  3. Step 3: Cross multiply
    542,702.81x = 797,793.47 × 797,793.47
  4. Step 4: Simplify right side
    542,702.81x = 636,474,418,780.16
  5. Step 5: Solve for x
    x = 636,474,418,780.16/542,702.81
  6. Step 6: Final answer
    x = 1,172,786.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.