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Finding the Third Proportional to 36,568 and 78,824

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Solution

The third proportional to 36,568 and 78,824 is: 169,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,568 : 78,824 = 78,824 : x
  2. Step 2: Convert to fraction form
    36,568/78,824 = 78,824/x
  3. Step 3: Cross multiply
    36,568x = 78,824 × 78,824
  4. Step 4: Simplify right side
    36,568x = 6,213,222,976
  5. Step 5: Solve for x
    x = 6,213,222,976/36,568
  6. Step 6: Final answer
    x = 169,908.74

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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.