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Finding the Third Proportional to 207,600.75 and 338,989.88

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Solution

The third proportional to 207,600.75 and 338,989.88 is: 553,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,600.75 : 338,989.88 = 338,989.88 : x
  2. Step 2: Convert to fraction form
    207,600.75/338,989.88 = 338,989.88/x
  3. Step 3: Cross multiply
    207,600.75x = 338,989.88 × 338,989.88
  4. Step 4: Simplify right side
    207,600.75x = 114,914,135,352.52
  5. Step 5: Solve for x
    x = 114,914,135,352.52/207,600.75
  6. Step 6: Final answer
    x = 553,534.30

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.