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Finding the Third Proportional to 107,750.25 and 218,578.50

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Solution

The third proportional to 107,750.25 and 218,578.50 is: 443,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,750.25 : 218,578.50 = 218,578.50 : x
  2. Step 2: Convert to fraction form
    107,750.25/218,578.50 = 218,578.50/x
  3. Step 3: Cross multiply
    107,750.25x = 218,578.50 × 218,578.50
  4. Step 4: Simplify right side
    107,750.25x = 47,776,560,662.25
  5. Step 5: Solve for x
    x = 47,776,560,662.25/107,750.25
  6. Step 6: Final answer
    x = 443,400.93

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.