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Finding the Third Proportional to 135.26 and 200.76

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Solution

The third proportional to 135.26 and 200.76 is: 297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.26 : 200.76 = 200.76 : x
  2. Step 2: Convert to fraction form
    135.26/200.76 = 200.76/x
  3. Step 3: Cross multiply
    135.26x = 200.76 × 200.76
  4. Step 4: Simplify right side
    135.26x = 40,304.48
  5. Step 5: Solve for x
    x = 40,304.48/135.26
  6. Step 6: Final answer
    x = 297.97

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.