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Finding the Third Proportional to 2,725.31 and 4,326.75

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Solution

The third proportional to 2,725.31 and 4,326.75 is: 6,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.31 : 4,326.75 = 4,326.75 : x
  2. Step 2: Convert to fraction form
    2,725.31/4,326.75 = 4,326.75/x
  3. Step 3: Cross multiply
    2,725.31x = 4,326.75 × 4,326.75
  4. Step 4: Simplify right side
    2,725.31x = 18,720,765.56
  5. Step 5: Solve for x
    x = 18,720,765.56/2,725.31
  6. Step 6: Final answer
    x = 6,869.22

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.