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Finding the Third Proportional to 39,194 and 86,164

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Solution

The third proportional to 39,194 and 86,164 is: 189,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,194 : 86,164 = 86,164 : x
  2. Step 2: Convert to fraction form
    39,194/86,164 = 86,164/x
  3. Step 3: Cross multiply
    39,194x = 86,164 × 86,164
  4. Step 4: Simplify right side
    39,194x = 7,424,234,896
  5. Step 5: Solve for x
    x = 7,424,234,896/39,194
  6. Step 6: Final answer
    x = 189,422.74

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.