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Finding the Third Proportional to 3,930,340.50 and 8,552,657.25

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Solution

The third proportional to 3,930,340.50 and 8,552,657.25 is: 18,611,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,340.50 : 8,552,657.25 = 8,552,657.25 : x
  2. Step 2: Convert to fraction form
    3,930,340.50/8,552,657.25 = 8,552,657.25/x
  3. Step 3: Cross multiply
    3,930,340.50x = 8,552,657.25 × 8,552,657.25
  4. Step 4: Simplify right side
    3,930,340.50x = 73,147,946,035,977.56
  5. Step 5: Solve for x
    x = 73,147,946,035,977.56/3,930,340.50
  6. Step 6: Final answer
    x = 18,611,096.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.