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Finding the Third Proportional to 20.29 and 26.43

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Solution

The third proportional to 20.29 and 26.43 is: 34.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.29 : 26.43 = 26.43 : x
  2. Step 2: Convert to fraction form
    20.29/26.43 = 26.43/x
  3. Step 3: Cross multiply
    20.29x = 26.43 × 26.43
  4. Step 4: Simplify right side
    20.29x = 698.53
  5. Step 5: Solve for x
    x = 698.53/20.29
  6. Step 6: Final answer
    x = 34.43

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.