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Finding the Third Proportional to 87,725 and 189,241

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Solution

The third proportional to 87,725 and 189,241 is: 408,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725 : 189,241 = 189,241 : x
  2. Step 2: Convert to fraction form
    87,725/189,241 = 189,241/x
  3. Step 3: Cross multiply
    87,725x = 189,241 × 189,241
  4. Step 4: Simplify right side
    87,725x = 35,812,156,081
  5. Step 5: Solve for x
    x = 35,812,156,081/87,725
  6. Step 6: Final answer
    x = 408,232.04

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.