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Finding the Third Proportional to 132,860 and 197,398

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Solution

The third proportional to 132,860 and 197,398 is: 293,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860 : 197,398 = 197,398 : x
  2. Step 2: Convert to fraction form
    132,860/197,398 = 197,398/x
  3. Step 3: Cross multiply
    132,860x = 197,398 × 197,398
  4. Step 4: Simplify right side
    132,860x = 38,965,970,404
  5. Step 5: Solve for x
    x = 38,965,970,404/132,860
  6. Step 6: Final answer
    x = 293,285.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.