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Finding the Third Proportional to 123,712 and 275,755

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Solution

The third proportional to 123,712 and 275,755 is: 614,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,712 : 275,755 = 275,755 : x
  2. Step 2: Convert to fraction form
    123,712/275,755 = 275,755/x
  3. Step 3: Cross multiply
    123,712x = 275,755 × 275,755
  4. Step 4: Simplify right side
    123,712x = 76,040,820,025
  5. Step 5: Solve for x
    x = 76,040,820,025/123,712
  6. Step 6: Final answer
    x = 614,660.02

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.