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Finding the Third Proportional to 80,202.75 and 124,171.75

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Solution

The third proportional to 80,202.75 and 124,171.75 is: 192,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,202.75 : 124,171.75 = 124,171.75 : x
  2. Step 2: Convert to fraction form
    80,202.75/124,171.75 = 124,171.75/x
  3. Step 3: Cross multiply
    80,202.75x = 124,171.75 × 124,171.75
  4. Step 4: Simplify right side
    80,202.75x = 15,418,623,498.06
  5. Step 5: Solve for x
    x = 15,418,623,498.06/80,202.75
  6. Step 6: Final answer
    x = 192,245.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.