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Finding the Third Proportional to 101.44 and 122.44

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Solution

The third proportional to 101.44 and 122.44 is: 147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.44 : 122.44 = 122.44 : x
  2. Step 2: Convert to fraction form
    101.44/122.44 = 122.44/x
  3. Step 3: Cross multiply
    101.44x = 122.44 × 122.44
  4. Step 4: Simplify right side
    101.44x = 14,990.94
  5. Step 5: Solve for x
    x = 14,990.94/101.44
  6. Step 6: Final answer
    x = 147.79

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.