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Finding the Third Proportional to 207,981 and 297,204

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Solution

The third proportional to 207,981 and 297,204 is: 424,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,981 : 297,204 = 297,204 : x
  2. Step 2: Convert to fraction form
    207,981/297,204 = 297,204/x
  3. Step 3: Cross multiply
    207,981x = 297,204 × 297,204
  4. Step 4: Simplify right side
    207,981x = 88,330,217,616
  5. Step 5: Solve for x
    x = 88,330,217,616/207,981
  6. Step 6: Final answer
    x = 424,703.30

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.