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Finding the Third Proportional to 15,611 and 33,814

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Solution

The third proportional to 15,611 and 33,814 is: 73,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611 : 33,814 = 33,814 : x
  2. Step 2: Convert to fraction form
    15,611/33,814 = 33,814/x
  3. Step 3: Cross multiply
    15,611x = 33,814 × 33,814
  4. Step 4: Simplify right side
    15,611x = 1,143,386,596
  5. Step 5: Solve for x
    x = 1,143,386,596/15,611
  6. Step 6: Final answer
    x = 73,242.37

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.