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Finding the Third Proportional to 2,106.84 and 3,084.12

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Solution

The third proportional to 2,106.84 and 3,084.12 is: 4,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.84 : 3,084.12 = 3,084.12 : x
  2. Step 2: Convert to fraction form
    2,106.84/3,084.12 = 3,084.12/x
  3. Step 3: Cross multiply
    2,106.84x = 3,084.12 × 3,084.12
  4. Step 4: Simplify right side
    2,106.84x = 9,511,778.83
  5. Step 5: Solve for x
    x = 9,511,778.83/2,106.84
  6. Step 6: Final answer
    x = 4,514.71

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.