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Finding the Third Proportional to 2,001.75 and 2,807.25

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Solution

The third proportional to 2,001.75 and 2,807.25 is: 3,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.75 : 2,807.25 = 2,807.25 : x
  2. Step 2: Convert to fraction form
    2,001.75/2,807.25 = 2,807.25/x
  3. Step 3: Cross multiply
    2,001.75x = 2,807.25 × 2,807.25
  4. Step 4: Simplify right side
    2,001.75x = 7,880,652.56
  5. Step 5: Solve for x
    x = 7,880,652.56/2,001.75
  6. Step 6: Final answer
    x = 3,936.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.