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Finding the Third Proportional to 132,416.25 and 198,920.25

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Solution

The third proportional to 132,416.25 and 198,920.25 is: 298,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.25 : 198,920.25 = 198,920.25 : x
  2. Step 2: Convert to fraction form
    132,416.25/198,920.25 = 198,920.25/x
  3. Step 3: Cross multiply
    132,416.25x = 198,920.25 × 198,920.25
  4. Step 4: Simplify right side
    132,416.25x = 39,569,265,860.06
  5. Step 5: Solve for x
    x = 39,569,265,860.06/132,416.25
  6. Step 6: Final answer
    x = 298,824.85

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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.