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Finding the Third Proportional to 38,260.13 and 81,151.88

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Solution

The third proportional to 38,260.13 and 81,151.88 is: 172,127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,260.13 : 81,151.88 = 81,151.88 : x
  2. Step 2: Convert to fraction form
    38,260.13/81,151.88 = 81,151.88/x
  3. Step 3: Cross multiply
    38,260.13x = 81,151.88 × 81,151.88
  4. Step 4: Simplify right side
    38,260.13x = 6,585,626,816.02
  5. Step 5: Solve for x
    x = 6,585,626,816.02/38,260.13
  6. Step 6: Final answer
    x = 172,127.69

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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.