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Finding the Third Proportional to 3,962 and 8,706

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Solution

The third proportional to 3,962 and 8,706 is: 19,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962 : 8,706 = 8,706 : x
  2. Step 2: Convert to fraction form
    3,962/8,706 = 8,706/x
  3. Step 3: Cross multiply
    3,962x = 8,706 × 8,706
  4. Step 4: Simplify right side
    3,962x = 75,794,436
  5. Step 5: Solve for x
    x = 75,794,436/3,962
  6. Step 6: Final answer
    x = 19,130.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.