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Finding the Third Proportional to 87,704 and 186,340

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Solution

The third proportional to 87,704 and 186,340 is: 395,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,704 : 186,340 = 186,340 : x
  2. Step 2: Convert to fraction form
    87,704/186,340 = 186,340/x
  3. Step 3: Cross multiply
    87,704x = 186,340 × 186,340
  4. Step 4: Simplify right side
    87,704x = 34,722,595,600
  5. Step 5: Solve for x
    x = 34,722,595,600/87,704
  6. Step 6: Final answer
    x = 395,906.64

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.