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Finding the Third Proportional to 320,462 and 741,845

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Solution

The third proportional to 320,462 and 741,845 is: 1,717,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,462 : 741,845 = 741,845 : x
  2. Step 2: Convert to fraction form
    320,462/741,845 = 741,845/x
  3. Step 3: Cross multiply
    320,462x = 741,845 × 741,845
  4. Step 4: Simplify right side
    320,462x = 550,334,004,025
  5. Step 5: Solve for x
    x = 550,334,004,025/320,462
  6. Step 6: Final answer
    x = 1,717,314.39

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.