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Finding the Third Proportional to 12.05 and 16.06

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Solution

The third proportional to 12.05 and 16.06 is: 21.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.05 : 16.06 = 16.06 : x
  2. Step 2: Convert to fraction form
    12.05/16.06 = 16.06/x
  3. Step 3: Cross multiply
    12.05x = 16.06 × 16.06
  4. Step 4: Simplify right side
    12.05x = 258.08
  5. Step 5: Solve for x
    x = 258.08/12.05
  6. Step 6: Final answer
    x = 21.42

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.