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Finding the Third Proportional to 1,222.88 and 2,006.44

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Solution

The third proportional to 1,222.88 and 2,006.44 is: 3,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.88 : 2,006.44 = 2,006.44 : x
  2. Step 2: Convert to fraction form
    1,222.88/2,006.44 = 2,006.44/x
  3. Step 3: Cross multiply
    1,222.88x = 2,006.44 × 2,006.44
  4. Step 4: Simplify right side
    1,222.88x = 4,025,791.44
  5. Step 5: Solve for x
    x = 4,025,791.44/1,222.88
  6. Step 6: Final answer
    x = 3,292.07

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.