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Finding the Third Proportional to 827,077 and 1,791,555

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Solution

The third proportional to 827,077 and 1,791,555 is: 3,880,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,077 : 1,791,555 = 1,791,555 : x
  2. Step 2: Convert to fraction form
    827,077/1,791,555 = 1,791,555/x
  3. Step 3: Cross multiply
    827,077x = 1,791,555 × 1,791,555
  4. Step 4: Simplify right side
    827,077x = 3,209,669,318,025
  5. Step 5: Solve for x
    x = 3,209,669,318,025/827,077
  6. Step 6: Final answer
    x = 3,880,738.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.