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Finding the Third Proportional to 542,686 and 797,769

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Solution

The third proportional to 542,686 and 797,769 is: 1,172,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,686 : 797,769 = 797,769 : x
  2. Step 2: Convert to fraction form
    542,686/797,769 = 797,769/x
  3. Step 3: Cross multiply
    542,686x = 797,769 × 797,769
  4. Step 4: Simplify right side
    542,686x = 636,435,377,361
  5. Step 5: Solve for x
    x = 636,435,377,361/542,686
  6. Step 6: Final answer
    x = 1,172,750.68

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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.