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Finding the Third Proportional to 36,333 and 78,399

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Solution

The third proportional to 36,333 and 78,399 is: 169,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,333 : 78,399 = 78,399 : x
  2. Step 2: Convert to fraction form
    36,333/78,399 = 78,399/x
  3. Step 3: Cross multiply
    36,333x = 78,399 × 78,399
  4. Step 4: Simplify right side
    36,333x = 6,146,403,201
  5. Step 5: Solve for x
    x = 6,146,403,201/36,333
  6. Step 6: Final answer
    x = 169,168.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.