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Finding the Third Proportional to 87,299.25 and 191,001

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Solution

The third proportional to 87,299.25 and 191,001 is: 417,888.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,299.25 : 191,001 = 191,001 : x
  2. Step 2: Convert to fraction form
    87,299.25/191,001 = 191,001/x
  3. Step 3: Cross multiply
    87,299.25x = 191,001 × 191,001
  4. Step 4: Simplify right side
    87,299.25x = 36,481,382,001
  5. Step 5: Solve for x
    x = 36,481,382,001/87,299.25
  6. Step 6: Final answer
    x = 417,888.84

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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.