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Finding the Third Proportional to 1,615 and 3,883

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Solution

The third proportional to 1,615 and 3,883 is: 9,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615 : 3,883 = 3,883 : x
  2. Step 2: Convert to fraction form
    1,615/3,883 = 3,883/x
  3. Step 3: Cross multiply
    1,615x = 3,883 × 3,883
  4. Step 4: Simplify right side
    1,615x = 15,077,689
  5. Step 5: Solve for x
    x = 15,077,689/1,615
  6. Step 6: Final answer
    x = 9,336.03

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These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.