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Finding the Third Proportional to 11,611 and 16,930

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Solution

The third proportional to 11,611 and 16,930 is: 24,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611 : 16,930 = 16,930 : x
  2. Step 2: Convert to fraction form
    11,611/16,930 = 16,930/x
  3. Step 3: Cross multiply
    11,611x = 16,930 × 16,930
  4. Step 4: Simplify right side
    11,611x = 286,624,900
  5. Step 5: Solve for x
    x = 286,624,900/11,611
  6. Step 6: Final answer
    x = 24,685.63

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.