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Finding the Third Proportional to 890,555.25 and 2,100,169.88

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Solution

The third proportional to 890,555.25 and 2,100,169.88 is: 4,952,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,555.25 : 2,100,169.88 = 2,100,169.88 : x
  2. Step 2: Convert to fraction form
    890,555.25/2,100,169.88 = 2,100,169.88/x
  3. Step 3: Cross multiply
    890,555.25x = 2,100,169.88 × 2,100,169.88
  4. Step 4: Simplify right side
    890,555.25x = 4,410,713,503,857.52
  5. Step 5: Solve for x
    x = 4,410,713,503,857.52/890,555.25
  6. Step 6: Final answer
    x = 4,952,767.95

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.