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Finding the Third Proportional to 199,264 and 299,644

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Solution

The third proportional to 199,264 and 299,644 is: 450,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,264 : 299,644 = 299,644 : x
  2. Step 2: Convert to fraction form
    199,264/299,644 = 299,644/x
  3. Step 3: Cross multiply
    199,264x = 299,644 × 299,644
  4. Step 4: Simplify right side
    199,264x = 89,786,526,736
  5. Step 5: Solve for x
    x = 89,786,526,736/199,264
  6. Step 6: Final answer
    x = 450,590.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.