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Finding the Third Proportional to 87,239 and 191,094

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Solution

The third proportional to 87,239 and 191,094 is: 418,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,239 : 191,094 = 191,094 : x
  2. Step 2: Convert to fraction form
    87,239/191,094 = 191,094/x
  3. Step 3: Cross multiply
    87,239x = 191,094 × 191,094
  4. Step 4: Simplify right side
    87,239x = 36,516,916,836
  5. Step 5: Solve for x
    x = 36,516,916,836/87,239
  6. Step 6: Final answer
    x = 418,584.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.