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Finding the Third Proportional to 101.67 and 220.22

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Solution

The third proportional to 101.67 and 220.22 is: 476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.67 : 220.22 = 220.22 : x
  2. Step 2: Convert to fraction form
    101.67/220.22 = 220.22/x
  3. Step 3: Cross multiply
    101.67x = 220.22 × 220.22
  4. Step 4: Simplify right side
    101.67x = 48,496.30
  5. Step 5: Solve for x
    x = 48,496.30/101.67
  6. Step 6: Final answer
    x = 476.99

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.