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Finding the Third Proportional to 2,107.38 and 4,376.75

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Solution

The third proportional to 2,107.38 and 4,376.75 is: 9,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.38 : 4,376.75 = 4,376.75 : x
  2. Step 2: Convert to fraction form
    2,107.38/4,376.75 = 4,376.75/x
  3. Step 3: Cross multiply
    2,107.38x = 4,376.75 × 4,376.75
  4. Step 4: Simplify right side
    2,107.38x = 19,155,940.56
  5. Step 5: Solve for x
    x = 19,155,940.56/2,107.38
  6. Step 6: Final answer
    x = 9,089.95

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.