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Finding the Third Proportional to 9.81 and 14.95

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Solution

The third proportional to 9.81 and 14.95 is: 22.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.81 : 14.95 = 14.95 : x
  2. Step 2: Convert to fraction form
    9.81/14.95 = 14.95/x
  3. Step 3: Cross multiply
    9.81x = 14.95 × 14.95
  4. Step 4: Simplify right side
    9.81x = 223.54
  5. Step 5: Solve for x
    x = 223.54/9.81
  6. Step 6: Final answer
    x = 22.79

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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.