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Finding the Third Proportional to 135,180 and 194,718

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Solution

The third proportional to 135,180 and 194,718 is: 280,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,180 : 194,718 = 194,718 : x
  2. Step 2: Convert to fraction form
    135,180/194,718 = 194,718/x
  3. Step 3: Cross multiply
    135,180x = 194,718 × 194,718
  4. Step 4: Simplify right side
    135,180x = 37,915,099,524
  5. Step 5: Solve for x
    x = 37,915,099,524/135,180
  6. Step 6: Final answer
    x = 280,478.62

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.