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Finding the Third Proportional to 126,666 and 276,660

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Solution

The third proportional to 126,666 and 276,660 is: 604,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,666 : 276,660 = 276,660 : x
  2. Step 2: Convert to fraction form
    126,666/276,660 = 276,660/x
  3. Step 3: Cross multiply
    126,666x = 276,660 × 276,660
  4. Step 4: Simplify right side
    126,666x = 76,540,755,600
  5. Step 5: Solve for x
    x = 76,540,755,600/126,666
  6. Step 6: Final answer
    x = 604,272.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.