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Finding the Third Proportional to 3,622 and 7,907

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Solution

The third proportional to 3,622 and 7,907 is: 17,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622 : 7,907 = 7,907 : x
  2. Step 2: Convert to fraction form
    3,622/7,907 = 7,907/x
  3. Step 3: Cross multiply
    3,622x = 7,907 × 7,907
  4. Step 4: Simplify right side
    3,622x = 62,520,649
  5. Step 5: Solve for x
    x = 62,520,649/3,622
  6. Step 6: Final answer
    x = 17,261.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.