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Finding the Third Proportional to 3,788.96 and 8,322.75

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Solution

The third proportional to 3,788.96 and 8,322.75 is: 18,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.96 : 8,322.75 = 8,322.75 : x
  2. Step 2: Convert to fraction form
    3,788.96/8,322.75 = 8,322.75/x
  3. Step 3: Cross multiply
    3,788.96x = 8,322.75 × 8,322.75
  4. Step 4: Simplify right side
    3,788.96x = 69,268,167.56
  5. Step 5: Solve for x
    x = 69,268,167.56/3,788.96
  6. Step 6: Final answer
    x = 18,281.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.