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Finding the Third Proportional to 3,971 and 8,982

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Solution

The third proportional to 3,971 and 8,982 is: 20,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971 : 8,982 = 8,982 : x
  2. Step 2: Convert to fraction form
    3,971/8,982 = 8,982/x
  3. Step 3: Cross multiply
    3,971x = 8,982 × 8,982
  4. Step 4: Simplify right side
    3,971x = 80,676,324
  5. Step 5: Solve for x
    x = 80,676,324/3,971
  6. Step 6: Final answer
    x = 20,316.37

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.