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Finding the Third Proportional to 8,170 and 12,253

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Solution

The third proportional to 8,170 and 12,253 is: 18,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170 : 12,253 = 12,253 : x
  2. Step 2: Convert to fraction form
    8,170/12,253 = 12,253/x
  3. Step 3: Cross multiply
    8,170x = 12,253 × 12,253
  4. Step 4: Simplify right side
    8,170x = 150,136,009
  5. Step 5: Solve for x
    x = 150,136,009/8,170
  6. Step 6: Final answer
    x = 18,376.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.