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Finding the Third Proportional to 4,163.06 and 7,065.56

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Solution

The third proportional to 4,163.06 and 7,065.56 is: 11,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.06 : 7,065.56 = 7,065.56 : x
  2. Step 2: Convert to fraction form
    4,163.06/7,065.56 = 7,065.56/x
  3. Step 3: Cross multiply
    4,163.06x = 7,065.56 × 7,065.56
  4. Step 4: Simplify right side
    4,163.06x = 49,922,173.44
  5. Step 5: Solve for x
    x = 49,922,173.44/4,163.06
  6. Step 6: Final answer
    x = 11,991.69

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.