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Finding the Third Proportional to 3,278 and 6,832

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Solution

The third proportional to 3,278 and 6,832 is: 14,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278 : 6,832 = 6,832 : x
  2. Step 2: Convert to fraction form
    3,278/6,832 = 6,832/x
  3. Step 3: Cross multiply
    3,278x = 6,832 × 6,832
  4. Step 4: Simplify right side
    3,278x = 46,676,224
  5. Step 5: Solve for x
    x = 46,676,224/3,278
  6. Step 6: Final answer
    x = 14,239.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.