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Finding the Third Proportional to 61,041 and 129,966

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Solution

The third proportional to 61,041 and 129,966 is: 276,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,041 : 129,966 = 129,966 : x
  2. Step 2: Convert to fraction form
    61,041/129,966 = 129,966/x
  3. Step 3: Cross multiply
    61,041x = 129,966 × 129,966
  4. Step 4: Simplify right side
    61,041x = 16,891,161,156
  5. Step 5: Solve for x
    x = 16,891,161,156/61,041
  6. Step 6: Final answer
    x = 276,718.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.