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Finding the Third Proportional to 205,960 and 451,286

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Solution

The third proportional to 205,960 and 451,286 is: 988,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,960 : 451,286 = 451,286 : x
  2. Step 2: Convert to fraction form
    205,960/451,286 = 451,286/x
  3. Step 3: Cross multiply
    205,960x = 451,286 × 451,286
  4. Step 4: Simplify right side
    205,960x = 203,659,053,796
  5. Step 5: Solve for x
    x = 203,659,053,796/205,960
  6. Step 6: Final answer
    x = 988,828.19

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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.