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Finding the Third Proportional to 96,930 and 209,136

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Solution

The third proportional to 96,930 and 209,136 is: 451,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,930 : 209,136 = 209,136 : x
  2. Step 2: Convert to fraction form
    96,930/209,136 = 209,136/x
  3. Step 3: Cross multiply
    96,930x = 209,136 × 209,136
  4. Step 4: Simplify right side
    96,930x = 43,737,866,496
  5. Step 5: Solve for x
    x = 43,737,866,496/96,930
  6. Step 6: Final answer
    x = 451,231.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.