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Finding the Third Proportional to 235,198.50 and 517,216.50

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Solution

The third proportional to 235,198.50 and 517,216.50 is: 1,137,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,198.50 : 517,216.50 = 517,216.50 : x
  2. Step 2: Convert to fraction form
    235,198.50/517,216.50 = 517,216.50/x
  3. Step 3: Cross multiply
    235,198.50x = 517,216.50 × 517,216.50
  4. Step 4: Simplify right side
    235,198.50x = 267,512,907,872.25
  5. Step 5: Solve for x
    x = 267,512,907,872.25/235,198.50
  6. Step 6: Final answer
    x = 1,137,392.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.