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Finding the Third Proportional to 8,310.50 and 18,185

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Solution

The third proportional to 8,310.50 and 18,185 is: 39,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.50 : 18,185 = 18,185 : x
  2. Step 2: Convert to fraction form
    8,310.50/18,185 = 18,185/x
  3. Step 3: Cross multiply
    8,310.50x = 18,185 × 18,185
  4. Step 4: Simplify right side
    8,310.50x = 330,694,225
  5. Step 5: Solve for x
    x = 330,694,225/8,310.50
  6. Step 6: Final answer
    x = 39,792.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.