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Finding the Third Proportional to 2,542.25 and 3,627.75

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Solution

The third proportional to 2,542.25 and 3,627.75 is: 5,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.25 : 3,627.75 = 3,627.75 : x
  2. Step 2: Convert to fraction form
    2,542.25/3,627.75 = 3,627.75/x
  3. Step 3: Cross multiply
    2,542.25x = 3,627.75 × 3,627.75
  4. Step 4: Simplify right side
    2,542.25x = 13,160,570.06
  5. Step 5: Solve for x
    x = 13,160,570.06/2,542.25
  6. Step 6: Final answer
    x = 5,176.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.