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Finding the Third Proportional to 132,171.75 and 198,298.13

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Solution

The third proportional to 132,171.75 and 198,298.13 is: 297,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,171.75 : 198,298.13 = 198,298.13 : x
  2. Step 2: Convert to fraction form
    132,171.75/198,298.13 = 198,298.13/x
  3. Step 3: Cross multiply
    132,171.75x = 198,298.13 × 198,298.13
  4. Step 4: Simplify right side
    132,171.75x = 39,322,146,378.52
  5. Step 5: Solve for x
    x = 39,322,146,378.52/132,171.75
  6. Step 6: Final answer
    x = 297,507.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.