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Finding the Third Proportional to 97.25 and 162.38

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Solution

The third proportional to 97.25 and 162.38 is: 271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.25 : 162.38 = 162.38 : x
  2. Step 2: Convert to fraction form
    97.25/162.38 = 162.38/x
  3. Step 3: Cross multiply
    97.25x = 162.38 × 162.38
  4. Step 4: Simplify right side
    97.25x = 26,365.64
  5. Step 5: Solve for x
    x = 26,365.64/97.25
  6. Step 6: Final answer
    x = 271.11

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.