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Finding the Third Proportional to 4,679 and 8,662

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Solution

The third proportional to 4,679 and 8,662 is: 16,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679 : 8,662 = 8,662 : x
  2. Step 2: Convert to fraction form
    4,679/8,662 = 8,662/x
  3. Step 3: Cross multiply
    4,679x = 8,662 × 8,662
  4. Step 4: Simplify right side
    4,679x = 75,030,244
  5. Step 5: Solve for x
    x = 75,030,244/4,679
  6. Step 6: Final answer
    x = 16,035.53

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.