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Finding the Third Proportional to 90,908,954 and 195,310,132

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Solution

The third proportional to 90,908,954 and 195,310,132 is: 419,607,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908,954 : 195,310,132 = 195,310,132 : x
  2. Step 2: Convert to fraction form
    90,908,954/195,310,132 = 195,310,132/x
  3. Step 3: Cross multiply
    90,908,954x = 195,310,132 × 195,310,132
  4. Step 4: Simplify right side
    90,908,954x = 38,146,047,661,857,424
  5. Step 5: Solve for x
    x = 38,146,047,661,857,424/90,908,954
  6. Step 6: Final answer
    x = 419,607,156.21

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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.