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Finding the Third Proportional to 87,858 and 192,444

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Solution

The third proportional to 87,858 and 192,444 is: 421,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,858 : 192,444 = 192,444 : x
  2. Step 2: Convert to fraction form
    87,858/192,444 = 192,444/x
  3. Step 3: Cross multiply
    87,858x = 192,444 × 192,444
  4. Step 4: Simplify right side
    87,858x = 37,034,693,136
  5. Step 5: Solve for x
    x = 37,034,693,136/87,858
  6. Step 6: Final answer
    x = 421,528.98

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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.