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Finding the Third Proportional to 129,937 and 279,926

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Solution

The third proportional to 129,937 and 279,926 is: 603,050.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,937 : 279,926 = 279,926 : x
  2. Step 2: Convert to fraction form
    129,937/279,926 = 279,926/x
  3. Step 3: Cross multiply
    129,937x = 279,926 × 279,926
  4. Step 4: Simplify right side
    129,937x = 78,358,565,476
  5. Step 5: Solve for x
    x = 78,358,565,476/129,937
  6. Step 6: Final answer
    x = 603,050.44

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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.