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Finding the Third Proportional to 15,851 and 33,637

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Solution

The third proportional to 15,851 and 33,637 is: 71,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851 : 33,637 = 33,637 : x
  2. Step 2: Convert to fraction form
    15,851/33,637 = 33,637/x
  3. Step 3: Cross multiply
    15,851x = 33,637 × 33,637
  4. Step 4: Simplify right side
    15,851x = 1,131,447,769
  5. Step 5: Solve for x
    x = 1,131,447,769/15,851
  6. Step 6: Final answer
    x = 71,380.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.