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Finding the Third Proportional to 36,278 and 79,684

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Solution

The third proportional to 36,278 and 79,684 is: 175,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278 : 79,684 = 79,684 : x
  2. Step 2: Convert to fraction form
    36,278/79,684 = 79,684/x
  3. Step 3: Cross multiply
    36,278x = 79,684 × 79,684
  4. Step 4: Simplify right side
    36,278x = 6,349,539,856
  5. Step 5: Solve for x
    x = 6,349,539,856/36,278
  6. Step 6: Final answer
    x = 175,024.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.