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Finding the Third Proportional to 127,182 and 279,330

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Solution

The third proportional to 127,182 and 279,330 is: 613,492.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182 : 279,330 = 279,330 : x
  2. Step 2: Convert to fraction form
    127,182/279,330 = 279,330/x
  3. Step 3: Cross multiply
    127,182x = 279,330 × 279,330
  4. Step 4: Simplify right side
    127,182x = 78,025,248,900
  5. Step 5: Solve for x
    x = 78,025,248,900/127,182
  6. Step 6: Final answer
    x = 613,492.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.