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Finding the Third Proportional to 4,399 and 8,977

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Solution

The third proportional to 4,399 and 8,977 is: 18,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399 : 8,977 = 8,977 : x
  2. Step 2: Convert to fraction form
    4,399/8,977 = 8,977/x
  3. Step 3: Cross multiply
    4,399x = 8,977 × 8,977
  4. Step 4: Simplify right side
    4,399x = 80,586,529
  5. Step 5: Solve for x
    x = 80,586,529/4,399
  6. Step 6: Final answer
    x = 18,319.28

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.