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Finding the Third Proportional to 3,938,203.50 and 8,149,761

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Solution

The third proportional to 3,938,203.50 and 8,149,761 is: 16,865,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,203.50 : 8,149,761 = 8,149,761 : x
  2. Step 2: Convert to fraction form
    3,938,203.50/8,149,761 = 8,149,761/x
  3. Step 3: Cross multiply
    3,938,203.50x = 8,149,761 × 8,149,761
  4. Step 4: Simplify right side
    3,938,203.50x = 66,418,604,357,121
  5. Step 5: Solve for x
    x = 66,418,604,357,121/3,938,203.50
  6. Step 6: Final answer
    x = 16,865,203.73

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.