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Finding the Third Proportional to 395,028 and 606,789

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Solution

The third proportional to 395,028 and 606,789 is: 932,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,028 : 606,789 = 606,789 : x
  2. Step 2: Convert to fraction form
    395,028/606,789 = 606,789/x
  3. Step 3: Cross multiply
    395,028x = 606,789 × 606,789
  4. Step 4: Simplify right side
    395,028x = 368,192,890,521
  5. Step 5: Solve for x
    x = 368,192,890,521/395,028
  6. Step 6: Final answer
    x = 932,067.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.