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Finding the Third Proportional to 36,818 and 76,918

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Solution

The third proportional to 36,818 and 76,918 is: 160,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818 : 76,918 = 76,918 : x
  2. Step 2: Convert to fraction form
    36,818/76,918 = 76,918/x
  3. Step 3: Cross multiply
    36,818x = 76,918 × 76,918
  4. Step 4: Simplify right side
    36,818x = 5,916,378,724
  5. Step 5: Solve for x
    x = 5,916,378,724/36,818
  6. Step 6: Final answer
    x = 160,692.56

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.