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Finding the Third Proportional to 4,073 and 8,769

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Solution

The third proportional to 4,073 and 8,769 is: 18,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073 : 8,769 = 8,769 : x
  2. Step 2: Convert to fraction form
    4,073/8,769 = 8,769/x
  3. Step 3: Cross multiply
    4,073x = 8,769 × 8,769
  4. Step 4: Simplify right side
    4,073x = 76,895,361
  5. Step 5: Solve for x
    x = 76,895,361/4,073
  6. Step 6: Final answer
    x = 18,879.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.