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Finding the Third Proportional to 87,146 and 134,634

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Solution

The third proportional to 87,146 and 134,634 is: 207,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,146 : 134,634 = 134,634 : x
  2. Step 2: Convert to fraction form
    87,146/134,634 = 134,634/x
  3. Step 3: Cross multiply
    87,146x = 134,634 × 134,634
  4. Step 4: Simplify right side
    87,146x = 18,126,313,956
  5. Step 5: Solve for x
    x = 18,126,313,956/87,146
  6. Step 6: Final answer
    x = 207,999.38

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.