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Finding the Third Proportional to 90,809,100 and 140,998,482

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Solution

The third proportional to 90,809,100 and 140,998,482 is: 218,927,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,809,100 : 140,998,482 = 140,998,482 : x
  2. Step 2: Convert to fraction form
    90,809,100/140,998,482 = 140,998,482/x
  3. Step 3: Cross multiply
    90,809,100x = 140,998,482 × 140,998,482
  4. Step 4: Simplify right side
    90,809,100x = 19,880,571,926,304,324
  5. Step 5: Solve for x
    x = 19,880,571,926,304,324/90,809,100
  6. Step 6: Final answer
    x = 218,927,089.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.