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Finding the Third Proportional to 2,147.13 and 3,195.07

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Solution

The third proportional to 2,147.13 and 3,195.07 is: 4,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.13 : 3,195.07 = 3,195.07 : x
  2. Step 2: Convert to fraction form
    2,147.13/3,195.07 = 3,195.07/x
  3. Step 3: Cross multiply
    2,147.13x = 3,195.07 × 3,195.07
  4. Step 4: Simplify right side
    2,147.13x = 10,208,474.30
  5. Step 5: Solve for x
    x = 10,208,474.30/2,147.13
  6. Step 6: Final answer
    x = 4,754.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.