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Finding the Third Proportional to 72.67 and 110.95

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Solution

The third proportional to 72.67 and 110.95 is: 169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.67 : 110.95 = 110.95 : x
  2. Step 2: Convert to fraction form
    72.67/110.95 = 110.95/x
  3. Step 3: Cross multiply
    72.67x = 110.95 × 110.95
  4. Step 4: Simplify right side
    72.67x = 12,310.60
  5. Step 5: Solve for x
    x = 12,310.60/72.67
  6. Step 6: Final answer
    x = 169.41

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.