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Finding the Third Proportional to 3,938,250.38 and 8,149,855.50

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Solution

The third proportional to 3,938,250.38 and 8,149,855.50 is: 16,865,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,250.38 : 8,149,855.50 = 8,149,855.50 : x
  2. Step 2: Convert to fraction form
    3,938,250.38/8,149,855.50 = 8,149,855.50/x
  3. Step 3: Cross multiply
    3,938,250.38x = 8,149,855.50 × 8,149,855.50
  4. Step 4: Simplify right side
    3,938,250.38x = 66,420,144,670,880.25
  5. Step 5: Solve for x
    x = 66,420,144,670,880.25/3,938,250.38
  6. Step 6: Final answer
    x = 16,865,394.11

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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.