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Finding the Third Proportional to 2,808 and 4,676

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Solution

The third proportional to 2,808 and 4,676 is: 7,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808 : 4,676 = 4,676 : x
  2. Step 2: Convert to fraction form
    2,808/4,676 = 4,676/x
  3. Step 3: Cross multiply
    2,808x = 4,676 × 4,676
  4. Step 4: Simplify right side
    2,808x = 21,864,976
  5. Step 5: Solve for x
    x = 21,864,976/2,808
  6. Step 6: Final answer
    x = 7,786.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.