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Finding the Third Proportional to 43,163,688 and 90,318,192

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Solution

The third proportional to 43,163,688 and 90,318,192 is: 188,986,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163,688 : 90,318,192 = 90,318,192 : x
  2. Step 2: Convert to fraction form
    43,163,688/90,318,192 = 90,318,192/x
  3. Step 3: Cross multiply
    43,163,688x = 90,318,192 × 90,318,192
  4. Step 4: Simplify right side
    43,163,688x = 8,157,375,806,148,864
  5. Step 5: Solve for x
    x = 8,157,375,806,148,864/43,163,688
  6. Step 6: Final answer
    x = 188,986,997.73

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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.