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Finding the Third Proportional to 3,940,951.75 and 8,489,646.50

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Solution

The third proportional to 3,940,951.75 and 8,489,646.50 is: 18,288,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,951.75 : 8,489,646.50 = 8,489,646.50 : x
  2. Step 2: Convert to fraction form
    3,940,951.75/8,489,646.50 = 8,489,646.50/x
  3. Step 3: Cross multiply
    3,940,951.75x = 8,489,646.50 × 8,489,646.50
  4. Step 4: Simplify right side
    3,940,951.75x = 72,074,097,694,962.25
  5. Step 5: Solve for x
    x = 72,074,097,694,962.25/3,940,951.75
  6. Step 6: Final answer
    x = 18,288,500.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.