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Finding the Third Proportional to 206,016 and 451,392

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Solution

The third proportional to 206,016 and 451,392 is: 989,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,016 : 451,392 = 451,392 : x
  2. Step 2: Convert to fraction form
    206,016/451,392 = 451,392/x
  3. Step 3: Cross multiply
    206,016x = 451,392 × 451,392
  4. Step 4: Simplify right side
    206,016x = 203,754,737,664
  5. Step 5: Solve for x
    x = 203,754,737,664/206,016
  6. Step 6: Final answer
    x = 989,023.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.