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Finding the Third Proportional to 8,155 and 17,185.75

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Solution

The third proportional to 8,155 and 17,185.75 is: 36,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155 : 17,185.75 = 17,185.75 : x
  2. Step 2: Convert to fraction form
    8,155/17,185.75 = 17,185.75/x
  3. Step 3: Cross multiply
    8,155x = 17,185.75 × 17,185.75
  4. Step 4: Simplify right side
    8,155x = 295,350,003.06
  5. Step 5: Solve for x
    x = 295,350,003.06/8,155
  6. Step 6: Final answer
    x = 36,217.05

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.