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Finding the Third Proportional to 485,601.25 and 760,083.25

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Solution

The third proportional to 485,601.25 and 760,083.25 is: 1,189,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,601.25 : 760,083.25 = 760,083.25 : x
  2. Step 2: Convert to fraction form
    485,601.25/760,083.25 = 760,083.25/x
  3. Step 3: Cross multiply
    485,601.25x = 760,083.25 × 760,083.25
  4. Step 4: Simplify right side
    485,601.25x = 577,726,546,930.56
  5. Step 5: Solve for x
    x = 577,726,546,930.56/485,601.25
  6. Step 6: Final answer
    x = 1,189,713.88

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.