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Finding the Third Proportional to 168.13 and 203.38

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Solution

The third proportional to 168.13 and 203.38 is: 246.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.13 : 203.38 = 203.38 : x
  2. Step 2: Convert to fraction form
    168.13/203.38 = 203.38/x
  3. Step 3: Cross multiply
    168.13x = 203.38 × 203.38
  4. Step 4: Simplify right side
    168.13x = 41,361.39
  5. Step 5: Solve for x
    x = 41,361.39/168.13
  6. Step 6: Final answer
    x = 246.02

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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.