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Finding the Third Proportional to 133,436 and 194,889

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Solution

The third proportional to 133,436 and 194,889 is: 284,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,436 : 194,889 = 194,889 : x
  2. Step 2: Convert to fraction form
    133,436/194,889 = 194,889/x
  3. Step 3: Cross multiply
    133,436x = 194,889 × 194,889
  4. Step 4: Simplify right side
    133,436x = 37,981,722,321
  5. Step 5: Solve for x
    x = 37,981,722,321/133,436
  6. Step 6: Final answer
    x = 284,643.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.