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Finding the Third Proportional to 3,108.66 and 4,922.44

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Solution

The third proportional to 3,108.66 and 4,922.44 is: 7,794.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.66 : 4,922.44 = 4,922.44 : x
  2. Step 2: Convert to fraction form
    3,108.66/4,922.44 = 4,922.44/x
  3. Step 3: Cross multiply
    3,108.66x = 4,922.44 × 4,922.44
  4. Step 4: Simplify right side
    3,108.66x = 24,230,390.94
  5. Step 5: Solve for x
    x = 24,230,390.94/3,108.66
  6. Step 6: Final answer
    x = 7,794.49

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.