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Finding the Third Proportional to 62,349.19 and 129,132

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Solution

The third proportional to 62,349.19 and 129,132 is: 267,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,349.19 : 129,132 = 129,132 : x
  2. Step 2: Convert to fraction form
    62,349.19/129,132 = 129,132/x
  3. Step 3: Cross multiply
    62,349.19x = 129,132 × 129,132
  4. Step 4: Simplify right side
    62,349.19x = 16,675,073,424
  5. Step 5: Solve for x
    x = 16,675,073,424/62,349.19
  6. Step 6: Final answer
    x = 267,446.52

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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.