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Finding the Third Proportional to 132,418 and 198,923

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Solution

The third proportional to 132,418 and 198,923 is: 298,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418 : 198,923 = 198,923 : x
  2. Step 2: Convert to fraction form
    132,418/198,923 = 198,923/x
  3. Step 3: Cross multiply
    132,418x = 198,923 × 198,923
  4. Step 4: Simplify right side
    132,418x = 39,570,359,929
  5. Step 5: Solve for x
    x = 39,570,359,929/132,418
  6. Step 6: Final answer
    x = 298,829.16

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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.