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Finding the Third Proportional to 43,163,692 and 90,318,200

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Solution

The third proportional to 43,163,692 and 90,318,200 is: 188,987,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163,692 : 90,318,200 = 90,318,200 : x
  2. Step 2: Convert to fraction form
    43,163,692/90,318,200 = 90,318,200/x
  3. Step 3: Cross multiply
    43,163,692x = 90,318,200 × 90,318,200
  4. Step 4: Simplify right side
    43,163,692x = 8,157,377,251,240,000
  5. Step 5: Solve for x
    x = 8,157,377,251,240,000/43,163,692
  6. Step 6: Final answer
    x = 188,987,013.70

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.