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Finding the Third Proportional to 187,687.13 and 404,883.56

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Solution

The third proportional to 187,687.13 and 404,883.56 is: 873,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,687.13 : 404,883.56 = 404,883.56 : x
  2. Step 2: Convert to fraction form
    187,687.13/404,883.56 = 404,883.56/x
  3. Step 3: Cross multiply
    187,687.13x = 404,883.56 × 404,883.56
  4. Step 4: Simplify right side
    187,687.13x = 163,930,699,182.69
  5. Step 5: Solve for x
    x = 163,930,699,182.69/187,687.13
  6. Step 6: Final answer
    x = 873,425.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.