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Finding the Third Proportional to 31,770.75 and 73,866.75

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Solution

The third proportional to 31,770.75 and 73,866.75 is: 171,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.75 : 73,866.75 = 73,866.75 : x
  2. Step 2: Convert to fraction form
    31,770.75/73,866.75 = 73,866.75/x
  3. Step 3: Cross multiply
    31,770.75x = 73,866.75 × 73,866.75
  4. Step 4: Simplify right side
    31,770.75x = 5,456,296,755.56
  5. Step 5: Solve for x
    x = 5,456,296,755.56/31,770.75
  6. Step 6: Final answer
    x = 171,739.63

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.