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Finding the Third Proportional to 36,399 and 79,208

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Solution

The third proportional to 36,399 and 79,208 is: 172,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399 : 79,208 = 79,208 : x
  2. Step 2: Convert to fraction form
    36,399/79,208 = 79,208/x
  3. Step 3: Cross multiply
    36,399x = 79,208 × 79,208
  4. Step 4: Simplify right side
    36,399x = 6,273,907,264
  5. Step 5: Solve for x
    x = 6,273,907,264/36,399
  6. Step 6: Final answer
    x = 172,364.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.