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Finding the Third Proportional to 151,910 and 332,412

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Solution

The third proportional to 151,910 and 332,412 is: 727,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,910 : 332,412 = 332,412 : x
  2. Step 2: Convert to fraction form
    151,910/332,412 = 332,412/x
  3. Step 3: Cross multiply
    151,910x = 332,412 × 332,412
  4. Step 4: Simplify right side
    151,910x = 110,497,737,744
  5. Step 5: Solve for x
    x = 110,497,737,744/151,910
  6. Step 6: Final answer
    x = 727,389.49

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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.