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Finding the Third Proportional to 2,840 and 6,767

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Solution

The third proportional to 2,840 and 6,767 is: 16,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840 : 6,767 = 6,767 : x
  2. Step 2: Convert to fraction form
    2,840/6,767 = 6,767/x
  3. Step 3: Cross multiply
    2,840x = 6,767 × 6,767
  4. Step 4: Simplify right side
    2,840x = 45,792,289
  5. Step 5: Solve for x
    x = 45,792,289/2,840
  6. Step 6: Final answer
    x = 16,124.05

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.