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Finding the Third Proportional to 34,220.25 and 51,191.25

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Solution

The third proportional to 34,220.25 and 51,191.25 is: 76,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.25 : 51,191.25 = 51,191.25 : x
  2. Step 2: Convert to fraction form
    34,220.25/51,191.25 = 51,191.25/x
  3. Step 3: Cross multiply
    34,220.25x = 51,191.25 × 51,191.25
  4. Step 4: Simplify right side
    34,220.25x = 2,620,544,076.56
  5. Step 5: Solve for x
    x = 2,620,544,076.56/34,220.25
  6. Step 6: Final answer
    x = 76,578.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.