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Finding the Third Proportional to 122,136 and 194,286

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Solution

The third proportional to 122,136 and 194,286 is: 309,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,136 : 194,286 = 194,286 : x
  2. Step 2: Convert to fraction form
    122,136/194,286 = 194,286/x
  3. Step 3: Cross multiply
    122,136x = 194,286 × 194,286
  4. Step 4: Simplify right side
    122,136x = 37,747,049,796
  5. Step 5: Solve for x
    x = 37,747,049,796/122,136
  6. Step 6: Final answer
    x = 309,057.52

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.