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Finding the Third Proportional to 2,170.13 and 3,255.75

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Solution

The third proportional to 2,170.13 and 3,255.75 is: 4,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.13 : 3,255.75 = 3,255.75 : x
  2. Step 2: Convert to fraction form
    2,170.13/3,255.75 = 3,255.75/x
  3. Step 3: Cross multiply
    2,170.13x = 3,255.75 × 3,255.75
  4. Step 4: Simplify right side
    2,170.13x = 10,599,908.06
  5. Step 5: Solve for x
    x = 10,599,908.06/2,170.13
  6. Step 6: Final answer
    x = 4,884.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.