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Finding the Third Proportional to 192,627 and 413,928

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Solution

The third proportional to 192,627 and 413,928 is: 889,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,627 : 413,928 = 413,928 : x
  2. Step 2: Convert to fraction form
    192,627/413,928 = 413,928/x
  3. Step 3: Cross multiply
    192,627x = 413,928 × 413,928
  4. Step 4: Simplify right side
    192,627x = 171,336,389,184
  5. Step 5: Solve for x
    x = 171,336,389,184/192,627
  6. Step 6: Final answer
    x = 889,472.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.