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Finding the Third Proportional to 199,836,828 and 299,755,221.75

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Solution

The third proportional to 199,836,828 and 299,755,221.75 is: 449,632,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,836,828 : 299,755,221.75 = 299,755,221.75 : x
  2. Step 2: Convert to fraction form
    199,836,828/299,755,221.75 = 299,755,221.75/x
  3. Step 3: Cross multiply
    199,836,828x = 299,755,221.75 × 299,755,221.75
  4. Step 4: Simplify right side
    199,836,828x = 89,853,192,966,391,680
  5. Step 5: Solve for x
    x = 89,853,192,966,391,680/199,836,828
  6. Step 6: Final answer
    x = 449,632,802.25

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