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Finding the Third Proportional to 132,452 and 198,970

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Solution

The third proportional to 132,452 and 198,970 is: 298,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,452 : 198,970 = 198,970 : x
  2. Step 2: Convert to fraction form
    132,452/198,970 = 198,970/x
  3. Step 3: Cross multiply
    132,452x = 198,970 × 198,970
  4. Step 4: Simplify right side
    132,452x = 39,589,060,900
  5. Step 5: Solve for x
    x = 39,589,060,900/132,452
  6. Step 6: Final answer
    x = 298,893.64

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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.