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Finding the Third Proportional to 220.50 and 226.50

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Solution

The third proportional to 220.50 and 226.50 is: 232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.50 : 226.50 = 226.50 : x
  2. Step 2: Convert to fraction form
    220.50/226.50 = 226.50/x
  3. Step 3: Cross multiply
    220.50x = 226.50 × 226.50
  4. Step 4: Simplify right side
    220.50x = 51,302.25
  5. Step 5: Solve for x
    x = 51,302.25/220.50
  6. Step 6: Final answer
    x = 232.66

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.