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Finding the Third Proportional to 2.26 and 5.19

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Solution

The third proportional to 2.26 and 5.19 is: 11.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.26 : 5.19 = 5.19 : x
  2. Step 2: Convert to fraction form
    2.26/5.19 = 5.19/x
  3. Step 3: Cross multiply
    2.26x = 5.19 × 5.19
  4. Step 4: Simplify right side
    2.26x = 26.95
  5. Step 5: Solve for x
    x = 26.95/2.26
  6. Step 6: Final answer
    x = 11.94

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.