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Finding the Third Proportional to 195,790 and 282,665

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Solution

The third proportional to 195,790 and 282,665 is: 408,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,790 : 282,665 = 282,665 : x
  2. Step 2: Convert to fraction form
    195,790/282,665 = 282,665/x
  3. Step 3: Cross multiply
    195,790x = 282,665 × 282,665
  4. Step 4: Simplify right side
    195,790x = 79,899,502,225
  5. Step 5: Solve for x
    x = 79,899,502,225/195,790
  6. Step 6: Final answer
    x = 408,087.76

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.