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Finding the Third Proportional to 2,608 and 3,954

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Solution

The third proportional to 2,608 and 3,954 is: 5,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608 : 3,954 = 3,954 : x
  2. Step 2: Convert to fraction form
    2,608/3,954 = 3,954/x
  3. Step 3: Cross multiply
    2,608x = 3,954 × 3,954
  4. Step 4: Simplify right side
    2,608x = 15,634,116
  5. Step 5: Solve for x
    x = 15,634,116/2,608
  6. Step 6: Final answer
    x = 5,994.68

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.