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Finding the Third Proportional to 129,954 and 279,244

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Solution

The third proportional to 129,954 and 279,244 is: 600,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,954 : 279,244 = 279,244 : x
  2. Step 2: Convert to fraction form
    129,954/279,244 = 279,244/x
  3. Step 3: Cross multiply
    129,954x = 279,244 × 279,244
  4. Step 4: Simplify right side
    129,954x = 77,977,211,536
  5. Step 5: Solve for x
    x = 77,977,211,536/129,954
  6. Step 6: Final answer
    x = 600,037.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.