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Finding the Third Proportional to 6,675 and 10,728

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Solution

The third proportional to 6,675 and 10,728 is: 17,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675 : 10,728 = 10,728 : x
  2. Step 2: Convert to fraction form
    6,675/10,728 = 10,728/x
  3. Step 3: Cross multiply
    6,675x = 10,728 × 10,728
  4. Step 4: Simplify right side
    6,675x = 115,089,984
  5. Step 5: Solve for x
    x = 115,089,984/6,675
  6. Step 6: Final answer
    x = 17,241.95

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.