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Finding the Third Proportional to 92,367 and 198,860

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Solution

The third proportional to 92,367 and 198,860 is: 428,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,367 : 198,860 = 198,860 : x
  2. Step 2: Convert to fraction form
    92,367/198,860 = 198,860/x
  3. Step 3: Cross multiply
    92,367x = 198,860 × 198,860
  4. Step 4: Simplify right side
    92,367x = 39,545,299,600
  5. Step 5: Solve for x
    x = 39,545,299,600/92,367
  6. Step 6: Final answer
    x = 428,132.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.