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Finding the Third Proportional to 197,576 and 306,393

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Solution

The third proportional to 197,576 and 306,393 is: 475,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,576 : 306,393 = 306,393 : x
  2. Step 2: Convert to fraction form
    197,576/306,393 = 306,393/x
  3. Step 3: Cross multiply
    197,576x = 306,393 × 306,393
  4. Step 4: Simplify right side
    197,576x = 93,876,670,449
  5. Step 5: Solve for x
    x = 93,876,670,449/197,576
  6. Step 6: Final answer
    x = 475,142.07

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.