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Finding the Third Proportional to 171,721.13 and 252,439.88

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Solution

The third proportional to 171,721.13 and 252,439.88 is: 371,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,721.13 : 252,439.88 = 252,439.88 : x
  2. Step 2: Convert to fraction form
    171,721.13/252,439.88 = 252,439.88/x
  3. Step 3: Cross multiply
    171,721.13x = 252,439.88 × 252,439.88
  4. Step 4: Simplify right side
    171,721.13x = 63,725,890,490.02
  5. Step 5: Solve for x
    x = 63,725,890,490.02/171,721.13
  6. Step 6: Final answer
    x = 371,101.05

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.