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Finding the Third Proportional to 3,079.56 and 6,620.38

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Solution

The third proportional to 3,079.56 and 6,620.38 is: 14,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.56 : 6,620.38 = 6,620.38 : x
  2. Step 2: Convert to fraction form
    3,079.56/6,620.38 = 6,620.38/x
  3. Step 3: Cross multiply
    3,079.56x = 6,620.38 × 6,620.38
  4. Step 4: Simplify right side
    3,079.56x = 43,829,365.14
  5. Step 5: Solve for x
    x = 43,829,365.14/3,079.56
  6. Step 6: Final answer
    x = 14,232.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.