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Finding the Third Proportional to 2,740.88 and 4,251.75

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Solution

The third proportional to 2,740.88 and 4,251.75 is: 6,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.88 : 4,251.75 = 4,251.75 : x
  2. Step 2: Convert to fraction form
    2,740.88/4,251.75 = 4,251.75/x
  3. Step 3: Cross multiply
    2,740.88x = 4,251.75 × 4,251.75
  4. Step 4: Simplify right side
    2,740.88x = 18,077,378.06
  5. Step 5: Solve for x
    x = 18,077,378.06/2,740.88
  6. Step 6: Final answer
    x = 6,595.48

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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.