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Finding the Third Proportional to 192,286 and 409,592

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Solution

The third proportional to 192,286 and 409,592 is: 872,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,286 : 409,592 = 409,592 : x
  2. Step 2: Convert to fraction form
    192,286/409,592 = 409,592/x
  3. Step 3: Cross multiply
    192,286x = 409,592 × 409,592
  4. Step 4: Simplify right side
    192,286x = 167,765,606,464
  5. Step 5: Solve for x
    x = 167,765,606,464/192,286
  6. Step 6: Final answer
    x = 872,479.57

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.