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Finding the Third Proportional to 13.36 and 30.73

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Solution

The third proportional to 13.36 and 30.73 is: 70.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.36 : 30.73 = 30.73 : x
  2. Step 2: Convert to fraction form
    13.36/30.73 = 30.73/x
  3. Step 3: Cross multiply
    13.36x = 30.73 × 30.73
  4. Step 4: Simplify right side
    13.36x = 944.38
  5. Step 5: Solve for x
    x = 944.38/13.36
  6. Step 6: Final answer
    x = 70.68

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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.