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Finding the Third Proportional to 90,328 and 134,186

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Solution

The third proportional to 90,328 and 134,186 is: 199,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,328 : 134,186 = 134,186 : x
  2. Step 2: Convert to fraction form
    90,328/134,186 = 134,186/x
  3. Step 3: Cross multiply
    90,328x = 134,186 × 134,186
  4. Step 4: Simplify right side
    90,328x = 18,005,882,596
  5. Step 5: Solve for x
    x = 18,005,882,596/90,328
  6. Step 6: Final answer
    x = 199,338.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.