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Finding the Third Proportional to 87,344 and 205,319

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Solution

The third proportional to 87,344 and 205,319 is: 482,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344 : 205,319 = 205,319 : x
  2. Step 2: Convert to fraction form
    87,344/205,319 = 205,319/x
  3. Step 3: Cross multiply
    87,344x = 205,319 × 205,319
  4. Step 4: Simplify right side
    87,344x = 42,155,891,761
  5. Step 5: Solve for x
    x = 42,155,891,761/87,344
  6. Step 6: Final answer
    x = 482,642.10

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.