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Finding the Third Proportional to 36,976 and 78,864

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Solution

The third proportional to 36,976 and 78,864 is: 168,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976 : 78,864 = 78,864 : x
  2. Step 2: Convert to fraction form
    36,976/78,864 = 78,864/x
  3. Step 3: Cross multiply
    36,976x = 78,864 × 78,864
  4. Step 4: Simplify right side
    36,976x = 6,219,530,496
  5. Step 5: Solve for x
    x = 6,219,530,496/36,976
  6. Step 6: Final answer
    x = 168,204.52

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.