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Finding the Third Proportional to 192,190 and 413,903

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Solution

The third proportional to 192,190 and 413,903 is: 891,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,190 : 413,903 = 413,903 : x
  2. Step 2: Convert to fraction form
    192,190/413,903 = 413,903/x
  3. Step 3: Cross multiply
    192,190x = 413,903 × 413,903
  4. Step 4: Simplify right side
    192,190x = 171,315,693,409
  5. Step 5: Solve for x
    x = 171,315,693,409/192,190
  6. Step 6: Final answer
    x = 891,387.13

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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.