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Finding the Third Proportional to 5,318 and 8,059

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Solution

The third proportional to 5,318 and 8,059 is: 12,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318 : 8,059 = 8,059 : x
  2. Step 2: Convert to fraction form
    5,318/8,059 = 8,059/x
  3. Step 3: Cross multiply
    5,318x = 8,059 × 8,059
  4. Step 4: Simplify right side
    5,318x = 64,947,481
  5. Step 5: Solve for x
    x = 64,947,481/5,318
  6. Step 6: Final answer
    x = 12,212.76

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.