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Finding the Third Proportional to 3,519 and 6,768

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Solution

The third proportional to 3,519 and 6,768 is: 13,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519 : 6,768 = 6,768 : x
  2. Step 2: Convert to fraction form
    3,519/6,768 = 6,768/x
  3. Step 3: Cross multiply
    3,519x = 6,768 × 6,768
  4. Step 4: Simplify right side
    3,519x = 45,805,824
  5. Step 5: Solve for x
    x = 45,805,824/3,519
  6. Step 6: Final answer
    x = 13,016.72

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.