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Finding the Third Proportional to 36,040 and 73,860

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Solution

The third proportional to 36,040 and 73,860 is: 151,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,040 : 73,860 = 73,860 : x
  2. Step 2: Convert to fraction form
    36,040/73,860 = 73,860/x
  3. Step 3: Cross multiply
    36,040x = 73,860 × 73,860
  4. Step 4: Simplify right side
    36,040x = 5,455,299,600
  5. Step 5: Solve for x
    x = 5,455,299,600/36,040
  6. Step 6: Final answer
    x = 151,367.91

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.