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Finding the Third Proportional to 3,611 and 7,708

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Solution

The third proportional to 3,611 and 7,708 is: 16,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611 : 7,708 = 7,708 : x
  2. Step 2: Convert to fraction form
    3,611/7,708 = 7,708/x
  3. Step 3: Cross multiply
    3,611x = 7,708 × 7,708
  4. Step 4: Simplify right side
    3,611x = 59,413,264
  5. Step 5: Solve for x
    x = 59,413,264/3,611
  6. Step 6: Final answer
    x = 16,453.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.