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Finding the Third Proportional to 187,750.13 and 391,032

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Solution

The third proportional to 187,750.13 and 391,032 is: 814,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,750.13 : 391,032 = 391,032 : x
  2. Step 2: Convert to fraction form
    187,750.13/391,032 = 391,032/x
  3. Step 3: Cross multiply
    187,750.13x = 391,032 × 391,032
  4. Step 4: Simplify right side
    187,750.13x = 152,906,025,024
  5. Step 5: Solve for x
    x = 152,906,025,024/187,750.13
  6. Step 6: Final answer
    x = 814,412.37

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.