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Finding the Third Proportional to 36,016 and 74,920

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Solution

The third proportional to 36,016 and 74,920 is: 155,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016 : 74,920 = 74,920 : x
  2. Step 2: Convert to fraction form
    36,016/74,920 = 74,920/x
  3. Step 3: Cross multiply
    36,016x = 74,920 × 74,920
  4. Step 4: Simplify right side
    36,016x = 5,613,006,400
  5. Step 5: Solve for x
    x = 5,613,006,400/36,016
  6. Step 6: Final answer
    x = 155,847.58

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.