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Finding the Third Proportional to 2,081.25 and 4,395.25

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Solution

The third proportional to 2,081.25 and 4,395.25 is: 9,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.25 : 4,395.25 = 4,395.25 : x
  2. Step 2: Convert to fraction form
    2,081.25/4,395.25 = 4,395.25/x
  3. Step 3: Cross multiply
    2,081.25x = 4,395.25 × 4,395.25
  4. Step 4: Simplify right side
    2,081.25x = 19,318,222.56
  5. Step 5: Solve for x
    x = 19,318,222.56/2,081.25
  6. Step 6: Final answer
    x = 9,282.03

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.