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Finding the Third Proportional to 101.06 and 221.44

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Solution

The third proportional to 101.06 and 221.44 is: 485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.06 : 221.44 = 221.44 : x
  2. Step 2: Convert to fraction form
    101.06/221.44 = 221.44/x
  3. Step 3: Cross multiply
    101.06x = 221.44 × 221.44
  4. Step 4: Simplify right side
    101.06x = 49,034.57
  5. Step 5: Solve for x
    x = 49,034.57/101.06
  6. Step 6: Final answer
    x = 485.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.