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Finding the Third Proportional to 301,456.75 and 479,860.25

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Solution

The third proportional to 301,456.75 and 479,860.25 is: 763,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,456.75 : 479,860.25 = 479,860.25 : x
  2. Step 2: Convert to fraction form
    301,456.75/479,860.25 = 479,860.25/x
  3. Step 3: Cross multiply
    301,456.75x = 479,860.25 × 479,860.25
  4. Step 4: Simplify right side
    301,456.75x = 230,265,859,530.06
  5. Step 5: Solve for x
    x = 230,265,859,530.06/301,456.75
  6. Step 6: Final answer
    x = 763,843.77

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.