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Finding the Third Proportional to 3,914 and 9,166

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Solution

The third proportional to 3,914 and 9,166 is: 21,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914 : 9,166 = 9,166 : x
  2. Step 2: Convert to fraction form
    3,914/9,166 = 9,166/x
  3. Step 3: Cross multiply
    3,914x = 9,166 × 9,166
  4. Step 4: Simplify right side
    3,914x = 84,015,556
  5. Step 5: Solve for x
    x = 84,015,556/3,914
  6. Step 6: Final answer
    x = 21,465.39

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.