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Finding the Third Proportional to 36,264 and 76,880

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Solution

The third proportional to 36,264 and 76,880 is: 162,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,264 : 76,880 = 76,880 : x
  2. Step 2: Convert to fraction form
    36,264/76,880 = 76,880/x
  3. Step 3: Cross multiply
    36,264x = 76,880 × 76,880
  4. Step 4: Simplify right side
    36,264x = 5,910,534,400
  5. Step 5: Solve for x
    x = 5,910,534,400/36,264
  6. Step 6: Final answer
    x = 162,986.28

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.