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Finding the Third Proportional to 12,399.75 and 29,571.75

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Solution

The third proportional to 12,399.75 and 29,571.75 is: 70,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.75 : 29,571.75 = 29,571.75 : x
  2. Step 2: Convert to fraction form
    12,399.75/29,571.75 = 29,571.75/x
  3. Step 3: Cross multiply
    12,399.75x = 29,571.75 × 29,571.75
  4. Step 4: Simplify right side
    12,399.75x = 874,488,398.06
  5. Step 5: Solve for x
    x = 874,488,398.06/12,399.75
  6. Step 6: Final answer
    x = 70,524.68

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.