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Finding the Third Proportional to 2.26 and 3.31

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Solution

The third proportional to 2.26 and 3.31 is: 4.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.26 : 3.31 = 3.31 : x
  2. Step 2: Convert to fraction form
    2.26/3.31 = 3.31/x
  3. Step 3: Cross multiply
    2.26x = 3.31 × 3.31
  4. Step 4: Simplify right side
    2.26x = 10.95
  5. Step 5: Solve for x
    x = 10.95/2.26
  6. Step 6: Final answer
    x = 4.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.