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Finding the Third Proportional to 73,845 and 114,561

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Solution

The third proportional to 73,845 and 114,561 is: 177,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,845 : 114,561 = 114,561 : x
  2. Step 2: Convert to fraction form
    73,845/114,561 = 114,561/x
  3. Step 3: Cross multiply
    73,845x = 114,561 × 114,561
  4. Step 4: Simplify right side
    73,845x = 13,124,222,721
  5. Step 5: Solve for x
    x = 13,124,222,721/73,845
  6. Step 6: Final answer
    x = 177,726.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.