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Finding the Third Proportional to 108 and 162.38

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Solution

The third proportional to 108 and 162.38 is: 244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108 : 162.38 = 162.38 : x
  2. Step 2: Convert to fraction form
    108/162.38 = 162.38/x
  3. Step 3: Cross multiply
    108x = 162.38 × 162.38
  4. Step 4: Simplify right side
    108x = 26,365.64
  5. Step 5: Solve for x
    x = 26,365.64/108
  6. Step 6: Final answer
    x = 244.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.