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Finding the Third Proportional to 87,860 and 191,628

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Solution

The third proportional to 87,860 and 191,628 is: 417,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860 : 191,628 = 191,628 : x
  2. Step 2: Convert to fraction form
    87,860/191,628 = 191,628/x
  3. Step 3: Cross multiply
    87,860x = 191,628 × 191,628
  4. Step 4: Simplify right side
    87,860x = 36,721,290,384
  5. Step 5: Solve for x
    x = 36,721,290,384/87,860
  6. Step 6: Final answer
    x = 417,952.31

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.