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Finding the Third Proportional to 127,180 and 251,159

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Solution

The third proportional to 127,180 and 251,159 is: 495,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180 : 251,159 = 251,159 : x
  2. Step 2: Convert to fraction form
    127,180/251,159 = 251,159/x
  3. Step 3: Cross multiply
    127,180x = 251,159 × 251,159
  4. Step 4: Simplify right side
    127,180x = 63,080,843,281
  5. Step 5: Solve for x
    x = 63,080,843,281/127,180
  6. Step 6: Final answer
    x = 495,996.57

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.