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Finding the Third Proportional to 157,512 and 239,181

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Solution

The third proportional to 157,512 and 239,181 is: 363,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,512 : 239,181 = 239,181 : x
  2. Step 2: Convert to fraction form
    157,512/239,181 = 239,181/x
  3. Step 3: Cross multiply
    157,512x = 239,181 × 239,181
  4. Step 4: Simplify right side
    157,512x = 57,207,550,761
  5. Step 5: Solve for x
    x = 57,207,550,761/157,512
  6. Step 6: Final answer
    x = 363,194.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.