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Finding the Third Proportional to 4,171,997.25 and 8,663,737.50

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Solution

The third proportional to 4,171,997.25 and 8,663,737.50 is: 17,991,466.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,997.25 : 8,663,737.50 = 8,663,737.50 : x
  2. Step 2: Convert to fraction form
    4,171,997.25/8,663,737.50 = 8,663,737.50/x
  3. Step 3: Cross multiply
    4,171,997.25x = 8,663,737.50 × 8,663,737.50
  4. Step 4: Simplify right side
    4,171,997.25x = 75,060,347,468,906.25
  5. Step 5: Solve for x
    x = 75,060,347,468,906.25/4,171,997.25
  6. Step 6: Final answer
    x = 17,991,466.19

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.