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Finding the Third Proportional to 112.97 and 228.19

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Solution

The third proportional to 112.97 and 228.19 is: 460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112.97 : 228.19 = 228.19 : x
  2. Step 2: Convert to fraction form
    112.97/228.19 = 228.19/x
  3. Step 3: Cross multiply
    112.97x = 228.19 × 228.19
  4. Step 4: Simplify right side
    112.97x = 52,069.54
  5. Step 5: Solve for x
    x = 52,069.54/112.97
  6. Step 6: Final answer
    x = 460.92

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.