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Finding the Third Proportional to 2,454.75 and 2,684.25

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Solution

The third proportional to 2,454.75 and 2,684.25 is: 2,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.75 : 2,684.25 = 2,684.25 : x
  2. Step 2: Convert to fraction form
    2,454.75/2,684.25 = 2,684.25/x
  3. Step 3: Cross multiply
    2,454.75x = 2,684.25 × 2,684.25
  4. Step 4: Simplify right side
    2,454.75x = 7,205,198.06
  5. Step 5: Solve for x
    x = 7,205,198.06/2,454.75
  6. Step 6: Final answer
    x = 2,935.21

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.