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Finding the Third Proportional to 413,345.25 and 585,042.75

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Solution

The third proportional to 413,345.25 and 585,042.75 is: 828,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,345.25 : 585,042.75 = 585,042.75 : x
  2. Step 2: Convert to fraction form
    413,345.25/585,042.75 = 585,042.75/x
  3. Step 3: Cross multiply
    413,345.25x = 585,042.75 × 585,042.75
  4. Step 4: Simplify right side
    413,345.25x = 342,275,019,327.56
  5. Step 5: Solve for x
    x = 342,275,019,327.56/413,345.25
  6. Step 6: Final answer
    x = 828,060.85

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.