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Finding the Third Proportional to 9,696 and 20,619

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Solution

The third proportional to 9,696 and 20,619 is: 43,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,696 : 20,619 = 20,619 : x
  2. Step 2: Convert to fraction form
    9,696/20,619 = 20,619/x
  3. Step 3: Cross multiply
    9,696x = 20,619 × 20,619
  4. Step 4: Simplify right side
    9,696x = 425,143,161
  5. Step 5: Solve for x
    x = 425,143,161/9,696
  6. Step 6: Final answer
    x = 43,847.27

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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.