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Finding the Third Proportional to 4,144 and 8,621

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Solution

The third proportional to 4,144 and 8,621 is: 17,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144 : 8,621 = 8,621 : x
  2. Step 2: Convert to fraction form
    4,144/8,621 = 8,621/x
  3. Step 3: Cross multiply
    4,144x = 8,621 × 8,621
  4. Step 4: Simplify right side
    4,144x = 74,321,641
  5. Step 5: Solve for x
    x = 74,321,641/4,144
  6. Step 6: Final answer
    x = 17,934.76

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.