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Finding the Third Proportional to 7.22 and 10.95

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Solution

The third proportional to 7.22 and 10.95 is: 16.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.22 : 10.95 = 10.95 : x
  2. Step 2: Convert to fraction form
    7.22/10.95 = 10.95/x
  3. Step 3: Cross multiply
    7.22x = 10.95 × 10.95
  4. Step 4: Simplify right side
    7.22x = 119.80
  5. Step 5: Solve for x
    x = 119.80/7.22
  6. Step 6: Final answer
    x = 16.60

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.