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Finding the Third Proportional to 5.62 and 10.83

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Solution

The third proportional to 5.62 and 10.83 is: 20.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.62 : 10.83 = 10.83 : x
  2. Step 2: Convert to fraction form
    5.62/10.83 = 10.83/x
  3. Step 3: Cross multiply
    5.62x = 10.83 × 10.83
  4. Step 4: Simplify right side
    5.62x = 117.39
  5. Step 5: Solve for x
    x = 117.39/5.62
  6. Step 6: Final answer
    x = 20.90

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Why These Related Problems?

These problems maintain the same ratio (1.93) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.