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Finding the Third Proportional to 132,543 and 200,742

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Solution

The third proportional to 132,543 and 200,742 is: 304,032.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,543 : 200,742 = 200,742 : x
  2. Step 2: Convert to fraction form
    132,543/200,742 = 200,742/x
  3. Step 3: Cross multiply
    132,543x = 200,742 × 200,742
  4. Step 4: Simplify right side
    132,543x = 40,297,350,564
  5. Step 5: Solve for x
    x = 40,297,350,564/132,543
  6. Step 6: Final answer
    x = 304,032.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.