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Finding the Third Proportional to 192,282 and 409,584

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Solution

The third proportional to 192,282 and 409,584 is: 872,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,282 : 409,584 = 409,584 : x
  2. Step 2: Convert to fraction form
    192,282/409,584 = 409,584/x
  3. Step 3: Cross multiply
    192,282x = 409,584 × 409,584
  4. Step 4: Simplify right side
    192,282x = 167,759,053,056
  5. Step 5: Solve for x
    x = 167,759,053,056/192,282
  6. Step 6: Final answer
    x = 872,463.64

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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.