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Finding the Third Proportional to 87,739.88 and 141,299.44

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Solution

The third proportional to 87,739.88 and 141,299.44 is: 227,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,739.88 : 141,299.44 = 141,299.44 : x
  2. Step 2: Convert to fraction form
    87,739.88/141,299.44 = 141,299.44/x
  3. Step 3: Cross multiply
    87,739.88x = 141,299.44 × 141,299.44
  4. Step 4: Simplify right side
    87,739.88x = 19,965,531,037.82
  5. Step 5: Solve for x
    x = 19,965,531,037.82/87,739.88
  6. Step 6: Final answer
    x = 227,553.68

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.