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Finding the Third Proportional to 11,817 and 16,951.50

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Solution

The third proportional to 11,817 and 16,951.50 is: 24,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817 : 16,951.50 = 16,951.50 : x
  2. Step 2: Convert to fraction form
    11,817/16,951.50 = 16,951.50/x
  3. Step 3: Cross multiply
    11,817x = 16,951.50 × 16,951.50
  4. Step 4: Simplify right side
    11,817x = 287,353,352.25
  5. Step 5: Solve for x
    x = 287,353,352.25/11,817
  6. Step 6: Final answer
    x = 24,316.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.