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Finding the Third Proportional to 2,455.25 and 3,807.75

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Solution

The third proportional to 2,455.25 and 3,807.75 is: 5,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.25 : 3,807.75 = 3,807.75 : x
  2. Step 2: Convert to fraction form
    2,455.25/3,807.75 = 3,807.75/x
  3. Step 3: Cross multiply
    2,455.25x = 3,807.75 × 3,807.75
  4. Step 4: Simplify right side
    2,455.25x = 14,498,960.06
  5. Step 5: Solve for x
    x = 14,498,960.06/2,455.25
  6. Step 6: Final answer
    x = 5,905.29

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.