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Finding the Third Proportional to 366,842 and 804,990

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Solution

The third proportional to 366,842 and 804,990 is: 1,766,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,842 : 804,990 = 804,990 : x
  2. Step 2: Convert to fraction form
    366,842/804,990 = 804,990/x
  3. Step 3: Cross multiply
    366,842x = 804,990 × 804,990
  4. Step 4: Simplify right side
    366,842x = 648,008,900,100
  5. Step 5: Solve for x
    x = 648,008,900,100/366,842
  6. Step 6: Final answer
    x = 1,766,452.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.