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Finding the Third Proportional to 169.13 and 204.56

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Solution

The third proportional to 169.13 and 204.56 is: 247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.13 : 204.56 = 204.56 : x
  2. Step 2: Convert to fraction form
    169.13/204.56 = 204.56/x
  3. Step 3: Cross multiply
    169.13x = 204.56 × 204.56
  4. Step 4: Simplify right side
    169.13x = 41,845.82
  5. Step 5: Solve for x
    x = 41,845.82/169.13
  6. Step 6: Final answer
    x = 247.43

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.