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Finding the Third Proportional to 126,458 and 187,771

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Solution

The third proportional to 126,458 and 187,771 is: 278,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,458 : 187,771 = 187,771 : x
  2. Step 2: Convert to fraction form
    126,458/187,771 = 187,771/x
  3. Step 3: Cross multiply
    126,458x = 187,771 × 187,771
  4. Step 4: Simplify right side
    126,458x = 35,257,948,441
  5. Step 5: Solve for x
    x = 35,257,948,441/126,458
  6. Step 6: Final answer
    x = 278,811.53

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.