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Finding the Third Proportional to 36,532 and 78,612

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Solution

The third proportional to 36,532 and 78,612 is: 169,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,532 : 78,612 = 78,612 : x
  2. Step 2: Convert to fraction form
    36,532/78,612 = 78,612/x
  3. Step 3: Cross multiply
    36,532x = 78,612 × 78,612
  4. Step 4: Simplify right side
    36,532x = 6,179,846,544
  5. Step 5: Solve for x
    x = 6,179,846,544/36,532
  6. Step 6: Final answer
    x = 169,162.56

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.