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Finding the Third Proportional to 6,504 and 7,912

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Solution

The third proportional to 6,504 and 7,912 is: 9,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504 : 7,912 = 7,912 : x
  2. Step 2: Convert to fraction form
    6,504/7,912 = 7,912/x
  3. Step 3: Cross multiply
    6,504x = 7,912 × 7,912
  4. Step 4: Simplify right side
    6,504x = 62,599,744
  5. Step 5: Solve for x
    x = 62,599,744/6,504
  6. Step 6: Final answer
    x = 9,624.81

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.