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Finding the Third Proportional to 87,427,336.50 and 189,605,891

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Solution

The third proportional to 87,427,336.50 and 189,605,891 is: 411,203,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,427,336.50 : 189,605,891 = 189,605,891 : x
  2. Step 2: Convert to fraction form
    87,427,336.50/189,605,891 = 189,605,891/x
  3. Step 3: Cross multiply
    87,427,336.50x = 189,605,891 × 189,605,891
  4. Step 4: Simplify right side
    87,427,336.50x = 35,950,393,901,903,880
  5. Step 5: Solve for x
    x = 35,950,393,901,903,880/87,427,336.50
  6. Step 6: Final answer
    x = 411,203,124.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.