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Finding the Third Proportional to 3,874,861.50 and 8,447,250

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Solution

The third proportional to 3,874,861.50 and 8,447,250 is: 18,415,118.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874,861.50 : 8,447,250 = 8,447,250 : x
  2. Step 2: Convert to fraction form
    3,874,861.50/8,447,250 = 8,447,250/x
  3. Step 3: Cross multiply
    3,874,861.50x = 8,447,250 × 8,447,250
  4. Step 4: Simplify right side
    3,874,861.50x = 71,356,032,562,500
  5. Step 5: Solve for x
    x = 71,356,032,562,500/3,874,861.50
  6. Step 6: Final answer
    x = 18,415,118.21

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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.