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Finding the Third Proportional to 11,995 and 16,778.50

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Solution

The third proportional to 11,995 and 16,778.50 is: 23,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995 : 16,778.50 = 16,778.50 : x
  2. Step 2: Convert to fraction form
    11,995/16,778.50 = 16,778.50/x
  3. Step 3: Cross multiply
    11,995x = 16,778.50 × 16,778.50
  4. Step 4: Simplify right side
    11,995x = 281,518,062.25
  5. Step 5: Solve for x
    x = 281,518,062.25/11,995
  6. Step 6: Final answer
    x = 23,469.62

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.