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Finding the Third Proportional to 196,945 and 305,533

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Solution

The third proportional to 196,945 and 305,533 is: 473,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,945 : 305,533 = 305,533 : x
  2. Step 2: Convert to fraction form
    196,945/305,533 = 305,533/x
  3. Step 3: Cross multiply
    196,945x = 305,533 × 305,533
  4. Step 4: Simplify right side
    196,945x = 93,350,414,089
  5. Step 5: Solve for x
    x = 93,350,414,089/196,945
  6. Step 6: Final answer
    x = 473,992.30

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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.