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Finding the Third Proportional to 20,250.75 and 27,261.25

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Solution

The third proportional to 20,250.75 and 27,261.25 is: 36,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.75 : 27,261.25 = 27,261.25 : x
  2. Step 2: Convert to fraction form
    20,250.75/27,261.25 = 27,261.25/x
  3. Step 3: Cross multiply
    20,250.75x = 27,261.25 × 27,261.25
  4. Step 4: Simplify right side
    20,250.75x = 743,175,751.56
  5. Step 5: Solve for x
    x = 743,175,751.56/20,250.75
  6. Step 6: Final answer
    x = 36,698.68

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.