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Finding the Third Proportional to 87,276 and 190,103

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Solution

The third proportional to 87,276 and 190,103 is: 414,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276 : 190,103 = 190,103 : x
  2. Step 2: Convert to fraction form
    87,276/190,103 = 190,103/x
  3. Step 3: Cross multiply
    87,276x = 190,103 × 190,103
  4. Step 4: Simplify right side
    87,276x = 36,139,150,609
  5. Step 5: Solve for x
    x = 36,139,150,609/87,276
  6. Step 6: Final answer
    x = 414,078.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.