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Finding the Third Proportional to 36,216 and 54,108

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Solution

The third proportional to 36,216 and 54,108 is: 80,839.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216 : 54,108 = 54,108 : x
  2. Step 2: Convert to fraction form
    36,216/54,108 = 54,108/x
  3. Step 3: Cross multiply
    36,216x = 54,108 × 54,108
  4. Step 4: Simplify right side
    36,216x = 2,927,675,664
  5. Step 5: Solve for x
    x = 2,927,675,664/36,216
  6. Step 6: Final answer
    x = 80,839.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.