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Finding the Third Proportional to 136,908 and 275,849

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Solution

The third proportional to 136,908 and 275,849 is: 555,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,908 : 275,849 = 275,849 : x
  2. Step 2: Convert to fraction form
    136,908/275,849 = 275,849/x
  3. Step 3: Cross multiply
    136,908x = 275,849 × 275,849
  4. Step 4: Simplify right side
    136,908x = 76,092,670,801
  5. Step 5: Solve for x
    x = 76,092,670,801/136,908
  6. Step 6: Final answer
    x = 555,794.19

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.