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Finding the Third Proportional to 13.69 and 34

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Solution

The third proportional to 13.69 and 34 is: 84.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.69 : 34 = 34 : x
  2. Step 2: Convert to fraction form
    13.69/34 = 34/x
  3. Step 3: Cross multiply
    13.69x = 34 × 34
  4. Step 4: Simplify right side
    13.69x = 1,156
  5. Step 5: Solve for x
    x = 1,156/13.69
  6. Step 6: Final answer
    x = 84.46

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.