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Finding the Third Proportional to 36,194 and 78,238

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Solution

The third proportional to 36,194 and 78,238 is: 169,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,194 : 78,238 = 78,238 : x
  2. Step 2: Convert to fraction form
    36,194/78,238 = 78,238/x
  3. Step 3: Cross multiply
    36,194x = 78,238 × 78,238
  4. Step 4: Simplify right side
    36,194x = 6,121,184,644
  5. Step 5: Solve for x
    x = 6,121,184,644/36,194
  6. Step 6: Final answer
    x = 169,121.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.