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Finding the Third Proportional to 391,209.75 and 834,092.44

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Solution

The third proportional to 391,209.75 and 834,092.44 is: 1,778,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,209.75 : 834,092.44 = 834,092.44 : x
  2. Step 2: Convert to fraction form
    391,209.75/834,092.44 = 834,092.44/x
  3. Step 3: Cross multiply
    391,209.75x = 834,092.44 × 834,092.44
  4. Step 4: Simplify right side
    391,209.75x = 695,710,194,294.69
  5. Step 5: Solve for x
    x = 695,710,194,294.69/391,209.75
  6. Step 6: Final answer
    x = 1,778,355.97

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.