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Finding the Third Proportional to 191,660,828 and 416,902,603

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Solution

The third proportional to 191,660,828 and 416,902,603 is: 906,850,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,660,828 : 416,902,603 = 416,902,603 : x
  2. Step 2: Convert to fraction form
    191,660,828/416,902,603 = 416,902,603/x
  3. Step 3: Cross multiply
    191,660,828x = 416,902,603 × 416,902,603
  4. Step 4: Simplify right side
    191,660,828x = 173,807,780,388,175,616
  5. Step 5: Solve for x
    x = 173,807,780,388,175,616/191,660,828
  6. Step 6: Final answer
    x = 906,850,827.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.