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Finding the Third Proportional to 92,115 and 199,782

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Solution

The third proportional to 92,115 and 199,782 is: 433,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,115 : 199,782 = 199,782 : x
  2. Step 2: Convert to fraction form
    92,115/199,782 = 199,782/x
  3. Step 3: Cross multiply
    92,115x = 199,782 × 199,782
  4. Step 4: Simplify right side
    92,115x = 39,912,847,524
  5. Step 5: Solve for x
    x = 39,912,847,524/92,115
  6. Step 6: Final answer
    x = 433,293.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.