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Finding the Third Proportional to 90,874,542 and 195,605,918

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Solution

The third proportional to 90,874,542 and 195,605,918 is: 421,038,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,542 : 195,605,918 = 195,605,918 : x
  2. Step 2: Convert to fraction form
    90,874,542/195,605,918 = 195,605,918/x
  3. Step 3: Cross multiply
    90,874,542x = 195,605,918 × 195,605,918
  4. Step 4: Simplify right side
    90,874,542x = 38,261,675,156,622,720
  5. Step 5: Solve for x
    x = 38,261,675,156,622,720/90,874,542
  6. Step 6: Final answer
    x = 421,038,437.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.