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Finding the Third Proportional to 36,571.50 and 79,521

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Solution

The third proportional to 36,571.50 and 79,521 is: 172,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,571.50 : 79,521 = 79,521 : x
  2. Step 2: Convert to fraction form
    36,571.50/79,521 = 79,521/x
  3. Step 3: Cross multiply
    36,571.50x = 79,521 × 79,521
  4. Step 4: Simplify right side
    36,571.50x = 6,323,589,441
  5. Step 5: Solve for x
    x = 6,323,589,441/36,571.50
  6. Step 6: Final answer
    x = 172,910.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.