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Finding the Third Proportional to 56,163.09 and 122,617.69

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Solution

The third proportional to 56,163.09 and 122,617.69 is: 267,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163.09 : 122,617.69 = 122,617.69 : x
  2. Step 2: Convert to fraction form
    56,163.09/122,617.69 = 122,617.69/x
  3. Step 3: Cross multiply
    56,163.09x = 122,617.69 × 122,617.69
  4. Step 4: Simplify right side
    56,163.09x = 15,035,097,287.85
  5. Step 5: Solve for x
    x = 15,035,097,287.85/56,163.09
  6. Step 6: Final answer
    x = 267,704.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.