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Finding the Third Proportional to 37,915,317 and 81,670,947.75

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Solution

The third proportional to 37,915,317 and 81,670,947.75 is: 175,922,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915,317 : 81,670,947.75 = 81,670,947.75 : x
  2. Step 2: Convert to fraction form
    37,915,317/81,670,947.75 = 81,670,947.75/x
  3. Step 3: Cross multiply
    37,915,317x = 81,670,947.75 × 81,670,947.75
  4. Step 4: Simplify right side
    37,915,317x = 6,670,143,706,383,230
  5. Step 5: Solve for x
    x = 6,670,143,706,383,230/37,915,317
  6. Step 6: Final answer
    x = 175,922,140.03

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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.