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Finding the Third Proportional to 79,839.75 and 125,245.13

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Solution

The third proportional to 79,839.75 and 125,245.13 is: 196,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,839.75 : 125,245.13 = 125,245.13 : x
  2. Step 2: Convert to fraction form
    79,839.75/125,245.13 = 125,245.13/x
  3. Step 3: Cross multiply
    79,839.75x = 125,245.13 × 125,245.13
  4. Step 4: Simplify right side
    79,839.75x = 15,686,341,336.27
  5. Step 5: Solve for x
    x = 15,686,341,336.27/79,839.75
  6. Step 6: Final answer
    x = 196,472.83

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.