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Finding the Third Proportional to 5.35 and 10.52

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Solution

The third proportional to 5.35 and 10.52 is: 20.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.35 : 10.52 = 10.52 : x
  2. Step 2: Convert to fraction form
    5.35/10.52 = 10.52/x
  3. Step 3: Cross multiply
    5.35x = 10.52 × 10.52
  4. Step 4: Simplify right side
    5.35x = 110.73
  5. Step 5: Solve for x
    x = 110.73/5.35
  6. Step 6: Final answer
    x = 20.69

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.