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Finding the Third Proportional to 381,798.50 and 822,605.25

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Solution

The third proportional to 381,798.50 and 822,605.25 is: 1,772,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,798.50 : 822,605.25 = 822,605.25 : x
  2. Step 2: Convert to fraction form
    381,798.50/822,605.25 = 822,605.25/x
  3. Step 3: Cross multiply
    381,798.50x = 822,605.25 × 822,605.25
  4. Step 4: Simplify right side
    381,798.50x = 676,679,397,327.56
  5. Step 5: Solve for x
    x = 676,679,397,327.56/381,798.50
  6. Step 6: Final answer
    x = 1,772,346.92

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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.