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Finding the Third Proportional to 6,315.75 and 9,474.75

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Solution

The third proportional to 6,315.75 and 9,474.75 is: 14,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.75 : 9,474.75 = 9,474.75 : x
  2. Step 2: Convert to fraction form
    6,315.75/9,474.75 = 9,474.75/x
  3. Step 3: Cross multiply
    6,315.75x = 9,474.75 × 9,474.75
  4. Step 4: Simplify right side
    6,315.75x = 89,770,887.56
  5. Step 5: Solve for x
    x = 89,770,887.56/6,315.75
  6. Step 6: Final answer
    x = 14,213.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.