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Finding the Third Proportional to 43.80 and 96.19

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Solution

The third proportional to 43.80 and 96.19 is: 211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.80 : 96.19 = 96.19 : x
  2. Step 2: Convert to fraction form
    43.80/96.19 = 96.19/x
  3. Step 3: Cross multiply
    43.80x = 96.19 × 96.19
  4. Step 4: Simplify right side
    43.80x = 9,252.04
  5. Step 5: Solve for x
    x = 9,252.04/43.80
  6. Step 6: Final answer
    x = 211.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.