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Finding the Third Proportional to 167.81 and 263.44

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Solution

The third proportional to 167.81 and 263.44 is: 413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.81 : 263.44 = 263.44 : x
  2. Step 2: Convert to fraction form
    167.81/263.44 = 263.44/x
  3. Step 3: Cross multiply
    167.81x = 263.44 × 263.44
  4. Step 4: Simplify right side
    167.81x = 69,399.32
  5. Step 5: Solve for x
    x = 69,399.32/167.81
  6. Step 6: Final answer
    x = 413.55

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.