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Finding the Third Proportional to 40,390 and 82,795

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Solution

The third proportional to 40,390 and 82,795 is: 169,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390 : 82,795 = 82,795 : x
  2. Step 2: Convert to fraction form
    40,390/82,795 = 82,795/x
  3. Step 3: Cross multiply
    40,390x = 82,795 × 82,795
  4. Step 4: Simplify right side
    40,390x = 6,855,012,025
  5. Step 5: Solve for x
    x = 6,855,012,025/40,390
  6. Step 6: Final answer
    x = 169,720.53

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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.