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Finding the Third Proportional to 87,725 and 141,277

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Solution

The third proportional to 87,725 and 141,277 is: 227,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725 : 141,277 = 141,277 : x
  2. Step 2: Convert to fraction form
    87,725/141,277 = 141,277/x
  3. Step 3: Cross multiply
    87,725x = 141,277 × 141,277
  4. Step 4: Simplify right side
    87,725x = 19,959,190,729
  5. Step 5: Solve for x
    x = 19,959,190,729/87,725
  6. Step 6: Final answer
    x = 227,519.99

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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.