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Finding the Third Proportional to 169.03 and 181.69

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Solution

The third proportional to 169.03 and 181.69 is: 195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.03 : 181.69 = 181.69 : x
  2. Step 2: Convert to fraction form
    169.03/181.69 = 181.69/x
  3. Step 3: Cross multiply
    169.03x = 181.69 × 181.69
  4. Step 4: Simplify right side
    169.03x = 33,010.35
  5. Step 5: Solve for x
    x = 33,010.35/169.03
  6. Step 6: Final answer
    x = 195.29

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.