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Finding the Third Proportional to 221.25 and 246.94

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Solution

The third proportional to 221.25 and 246.94 is: 275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221.25 : 246.94 = 246.94 : x
  2. Step 2: Convert to fraction form
    221.25/246.94 = 246.94/x
  3. Step 3: Cross multiply
    221.25x = 246.94 × 246.94
  4. Step 4: Simplify right side
    221.25x = 60,978.13
  5. Step 5: Solve for x
    x = 60,978.13/221.25
  6. Step 6: Final answer
    x = 275.61

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.