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Finding the Third Proportional to 36,218 and 75,748

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Solution

The third proportional to 36,218 and 75,748 is: 158,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218 : 75,748 = 75,748 : x
  2. Step 2: Convert to fraction form
    36,218/75,748 = 75,748/x
  3. Step 3: Cross multiply
    36,218x = 75,748 × 75,748
  4. Step 4: Simplify right side
    36,218x = 5,737,759,504
  5. Step 5: Solve for x
    x = 5,737,759,504/36,218
  6. Step 6: Final answer
    x = 158,422.87

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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.