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Finding the Third Proportional to 2,114.25 and 4,872.75

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Solution

The third proportional to 2,114.25 and 4,872.75 is: 11,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.25 : 4,872.75 = 4,872.75 : x
  2. Step 2: Convert to fraction form
    2,114.25/4,872.75 = 4,872.75/x
  3. Step 3: Cross multiply
    2,114.25x = 4,872.75 × 4,872.75
  4. Step 4: Simplify right side
    2,114.25x = 23,743,692.56
  5. Step 5: Solve for x
    x = 23,743,692.56/2,114.25
  6. Step 6: Final answer
    x = 11,230.31

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.