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Finding the Third Proportional to 20,996 and 32,771

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Solution

The third proportional to 20,996 and 32,771 is: 51,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996 : 32,771 = 32,771 : x
  2. Step 2: Convert to fraction form
    20,996/32,771 = 32,771/x
  3. Step 3: Cross multiply
    20,996x = 32,771 × 32,771
  4. Step 4: Simplify right side
    20,996x = 1,073,938,441
  5. Step 5: Solve for x
    x = 1,073,938,441/20,996
  6. Step 6: Final answer
    x = 51,149.67

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.