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Finding the Third Proportional to 36,093 and 78,738

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Solution

The third proportional to 36,093 and 78,738 is: 171,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,093 : 78,738 = 78,738 : x
  2. Step 2: Convert to fraction form
    36,093/78,738 = 78,738/x
  3. Step 3: Cross multiply
    36,093x = 78,738 × 78,738
  4. Step 4: Simplify right side
    36,093x = 6,199,672,644
  5. Step 5: Solve for x
    x = 6,199,672,644/36,093
  6. Step 6: Final answer
    x = 171,769.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.