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Finding the Third Proportional to 2,628.38 and 3,108.38

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Solution

The third proportional to 2,628.38 and 3,108.38 is: 3,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.38 : 3,108.38 = 3,108.38 : x
  2. Step 2: Convert to fraction form
    2,628.38/3,108.38 = 3,108.38/x
  3. Step 3: Cross multiply
    2,628.38x = 3,108.38 × 3,108.38
  4. Step 4: Simplify right side
    2,628.38x = 9,661,995.14
  5. Step 5: Solve for x
    x = 9,661,995.14/2,628.38
  6. Step 6: Final answer
    x = 3,676.03

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.