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Finding the Third Proportional to 92,772 and 198,661

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Solution

The third proportional to 92,772 and 198,661 is: 425,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772 : 198,661 = 198,661 : x
  2. Step 2: Convert to fraction form
    92,772/198,661 = 198,661/x
  3. Step 3: Cross multiply
    92,772x = 198,661 × 198,661
  4. Step 4: Simplify right side
    92,772x = 39,466,192,921
  5. Step 5: Solve for x
    x = 39,466,192,921/92,772
  6. Step 6: Final answer
    x = 425,410.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.