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Finding the Third Proportional to 80,736 and 125,442

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Solution

The third proportional to 80,736 and 125,442 is: 194,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,736 : 125,442 = 125,442 : x
  2. Step 2: Convert to fraction form
    80,736/125,442 = 125,442/x
  3. Step 3: Cross multiply
    80,736x = 125,442 × 125,442
  4. Step 4: Simplify right side
    80,736x = 15,735,695,364
  5. Step 5: Solve for x
    x = 15,735,695,364/80,736
  6. Step 6: Final answer
    x = 194,903.08

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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.