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Finding the Third Proportional to 13.90 and 26.26

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Solution

The third proportional to 13.90 and 26.26 is: 49.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.90 : 26.26 = 26.26 : x
  2. Step 2: Convert to fraction form
    13.90/26.26 = 26.26/x
  3. Step 3: Cross multiply
    13.90x = 26.26 × 26.26
  4. Step 4: Simplify right side
    13.90x = 689.34
  5. Step 5: Solve for x
    x = 689.34/13.90
  6. Step 6: Final answer
    x = 49.59

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.