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Finding the Third Proportional to 6,804 and 11,961

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Solution

The third proportional to 6,804 and 11,961 is: 21,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804 : 11,961 = 11,961 : x
  2. Step 2: Convert to fraction form
    6,804/11,961 = 11,961/x
  3. Step 3: Cross multiply
    6,804x = 11,961 × 11,961
  4. Step 4: Simplify right side
    6,804x = 143,065,521
  5. Step 5: Solve for x
    x = 143,065,521/6,804
  6. Step 6: Final answer
    x = 21,026.68

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.