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Finding the Third Proportional to 6,675.75 and 8,479.69

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Solution

The third proportional to 6,675.75 and 8,479.69 is: 10,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.75 : 8,479.69 = 8,479.69 : x
  2. Step 2: Convert to fraction form
    6,675.75/8,479.69 = 8,479.69/x
  3. Step 3: Cross multiply
    6,675.75x = 8,479.69 × 8,479.69
  4. Step 4: Simplify right side
    6,675.75x = 71,905,100.10
  5. Step 5: Solve for x
    x = 71,905,100.10/6,675.75
  6. Step 6: Final answer
    x = 10,771.09

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.