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Finding the Third Proportional to 192,458 and 282,855

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Solution

The third proportional to 192,458 and 282,855 is: 415,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,458 : 282,855 = 282,855 : x
  2. Step 2: Convert to fraction form
    192,458/282,855 = 282,855/x
  3. Step 3: Cross multiply
    192,458x = 282,855 × 282,855
  4. Step 4: Simplify right side
    192,458x = 80,006,951,025
  5. Step 5: Solve for x
    x = 80,006,951,025/192,458
  6. Step 6: Final answer
    x = 415,711.23

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.