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Finding the Third Proportional to 129,439 and 276,874

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Solution

The third proportional to 129,439 and 276,874 is: 592,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,439 : 276,874 = 276,874 : x
  2. Step 2: Convert to fraction form
    129,439/276,874 = 276,874/x
  3. Step 3: Cross multiply
    129,439x = 276,874 × 276,874
  4. Step 4: Simplify right side
    129,439x = 76,659,211,876
  5. Step 5: Solve for x
    x = 76,659,211,876/129,439
  6. Step 6: Final answer
    x = 592,242.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.