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Finding the Third Proportional to 21,606 and 33,609

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Solution

The third proportional to 21,606 and 33,609 is: 52,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606 : 33,609 = 33,609 : x
  2. Step 2: Convert to fraction form
    21,606/33,609 = 33,609/x
  3. Step 3: Cross multiply
    21,606x = 33,609 × 33,609
  4. Step 4: Simplify right side
    21,606x = 1,129,564,881
  5. Step 5: Solve for x
    x = 1,129,564,881/21,606
  6. Step 6: Final answer
    x = 52,280.15

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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.