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Finding the Third Proportional to 38,863.13 and 80,489.25

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Solution

The third proportional to 38,863.13 and 80,489.25 is: 166,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.13 : 80,489.25 = 80,489.25 : x
  2. Step 2: Convert to fraction form
    38,863.13/80,489.25 = 80,489.25/x
  3. Step 3: Cross multiply
    38,863.13x = 80,489.25 × 80,489.25
  4. Step 4: Simplify right side
    38,863.13x = 6,478,519,365.56
  5. Step 5: Solve for x
    x = 6,478,519,365.56/38,863.13
  6. Step 6: Final answer
    x = 166,700.94

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.