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Finding the Third Proportional to 132,612 and 203,193

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Solution

The third proportional to 132,612 and 203,193 is: 311,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,612 : 203,193 = 203,193 : x
  2. Step 2: Convert to fraction form
    132,612/203,193 = 203,193/x
  3. Step 3: Cross multiply
    132,612x = 203,193 × 203,193
  4. Step 4: Simplify right side
    132,612x = 41,287,395,249
  5. Step 5: Solve for x
    x = 41,287,395,249/132,612
  6. Step 6: Final answer
    x = 311,339.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.