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Finding the Third Proportional to 12,860.75 and 28,183.25

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Solution

The third proportional to 12,860.75 and 28,183.25 is: 61,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.75 : 28,183.25 = 28,183.25 : x
  2. Step 2: Convert to fraction form
    12,860.75/28,183.25 = 28,183.25/x
  3. Step 3: Cross multiply
    12,860.75x = 28,183.25 × 28,183.25
  4. Step 4: Simplify right side
    12,860.75x = 794,295,580.56
  5. Step 5: Solve for x
    x = 794,295,580.56/12,860.75
  6. Step 6: Final answer
    x = 61,761.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.