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Finding the Third Proportional to 6,723 and 9,213.75

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Solution

The third proportional to 6,723 and 9,213.75 is: 12,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723 : 9,213.75 = 9,213.75 : x
  2. Step 2: Convert to fraction form
    6,723/9,213.75 = 9,213.75/x
  3. Step 3: Cross multiply
    6,723x = 9,213.75 × 9,213.75
  4. Step 4: Simplify right side
    6,723x = 84,893,189.06
  5. Step 5: Solve for x
    x = 84,893,189.06/6,723
  6. Step 6: Final answer
    x = 12,627.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.