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Finding the Third Proportional to 36,539 and 78,622

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Solution

The third proportional to 36,539 and 78,622 is: 169,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,539 : 78,622 = 78,622 : x
  2. Step 2: Convert to fraction form
    36,539/78,622 = 78,622/x
  3. Step 3: Cross multiply
    36,539x = 78,622 × 78,622
  4. Step 4: Simplify right side
    36,539x = 6,181,418,884
  5. Step 5: Solve for x
    x = 6,181,418,884/36,539
  6. Step 6: Final answer
    x = 169,173.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.