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Finding the Third Proportional to 91,596,890 and 197,542,318

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Solution

The third proportional to 91,596,890 and 197,542,318 is: 426,029,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,596,890 : 197,542,318 = 197,542,318 : x
  2. Step 2: Convert to fraction form
    91,596,890/197,542,318 = 197,542,318/x
  3. Step 3: Cross multiply
    91,596,890x = 197,542,318 × 197,542,318
  4. Step 4: Simplify right side
    91,596,890x = 39,022,967,400,813,120
  5. Step 5: Solve for x
    x = 39,022,967,400,813,120/91,596,890
  6. Step 6: Final answer
    x = 426,029,392.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.