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Finding the Third Proportional to 220,716.75 and 476,425.50

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Solution

The third proportional to 220,716.75 and 476,425.50 is: 1,028,382.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,716.75 : 476,425.50 = 476,425.50 : x
  2. Step 2: Convert to fraction form
    220,716.75/476,425.50 = 476,425.50/x
  3. Step 3: Cross multiply
    220,716.75x = 476,425.50 × 476,425.50
  4. Step 4: Simplify right side
    220,716.75x = 226,981,257,050.25
  5. Step 5: Solve for x
    x = 226,981,257,050.25/220,716.75
  6. Step 6: Final answer
    x = 1,028,382.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.