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Finding the Third Proportional to 6,816 and 11,832

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Solution

The third proportional to 6,816 and 11,832 is: 20,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816 : 11,832 = 11,832 : x
  2. Step 2: Convert to fraction form
    6,816/11,832 = 11,832/x
  3. Step 3: Cross multiply
    6,816x = 11,832 × 11,832
  4. Step 4: Simplify right side
    6,816x = 139,996,224
  5. Step 5: Solve for x
    x = 139,996,224/6,816
  6. Step 6: Final answer
    x = 20,539.35

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.