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Finding the Third Proportional to 119,843 and 261,136

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Solution

The third proportional to 119,843 and 261,136 is: 569,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,843 : 261,136 = 261,136 : x
  2. Step 2: Convert to fraction form
    119,843/261,136 = 261,136/x
  3. Step 3: Cross multiply
    119,843x = 261,136 × 261,136
  4. Step 4: Simplify right side
    119,843x = 68,192,010,496
  5. Step 5: Solve for x
    x = 68,192,010,496/119,843
  6. Step 6: Final answer
    x = 569,011.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.