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Finding the Third Proportional to 79.03 and 166.78

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Solution

The third proportional to 79.03 and 166.78 is: 351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.03 : 166.78 = 166.78 : x
  2. Step 2: Convert to fraction form
    79.03/166.78 = 166.78/x
  3. Step 3: Cross multiply
    79.03x = 166.78 × 166.78
  4. Step 4: Simplify right side
    79.03x = 27,815.99
  5. Step 5: Solve for x
    x = 27,815.99/79.03
  6. Step 6: Final answer
    x = 351.96

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These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.