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Finding the Third Proportional to 20.25 and 44.25

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Solution

The third proportional to 20.25 and 44.25 is: 96.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20.25 : 44.25 = 44.25 : x
  2. Step 2: Convert to fraction form
    20.25/44.25 = 44.25/x
  3. Step 3: Cross multiply
    20.25x = 44.25 × 44.25
  4. Step 4: Simplify right side
    20.25x = 1,958.06
  5. Step 5: Solve for x
    x = 1,958.06/20.25
  6. Step 6: Final answer
    x = 96.69

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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.