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Finding the Third Proportional to 132,246 and 198,657

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Solution

The third proportional to 132,246 and 198,657 is: 298,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,246 : 198,657 = 198,657 : x
  2. Step 2: Convert to fraction form
    132,246/198,657 = 198,657/x
  3. Step 3: Cross multiply
    132,246x = 198,657 × 198,657
  4. Step 4: Simplify right side
    132,246x = 39,464,603,649
  5. Step 5: Solve for x
    x = 39,464,603,649/132,246
  6. Step 6: Final answer
    x = 298,418.13

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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.