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Finding the Third Proportional to 81,094 and 121,314

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Solution

The third proportional to 81,094 and 121,314 is: 181,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,094 : 121,314 = 121,314 : x
  2. Step 2: Convert to fraction form
    81,094/121,314 = 121,314/x
  3. Step 3: Cross multiply
    81,094x = 121,314 × 121,314
  4. Step 4: Simplify right side
    81,094x = 14,717,086,596
  5. Step 5: Solve for x
    x = 14,717,086,596/81,094
  6. Step 6: Final answer
    x = 181,481.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.