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Finding the Third Proportional to 3.69 and 8.06

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Solution

The third proportional to 3.69 and 8.06 is: 17.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.69 : 8.06 = 8.06 : x
  2. Step 2: Convert to fraction form
    3.69/8.06 = 8.06/x
  3. Step 3: Cross multiply
    3.69x = 8.06 × 8.06
  4. Step 4: Simplify right side
    3.69x = 65.00
  5. Step 5: Solve for x
    x = 65.00/3.69
  6. Step 6: Final answer
    x = 17.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.