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Finding the Third Proportional to 324,928 and 675,860

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Solution

The third proportional to 324,928 and 675,860 is: 1,405,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,928 : 675,860 = 675,860 : x
  2. Step 2: Convert to fraction form
    324,928/675,860 = 675,860/x
  3. Step 3: Cross multiply
    324,928x = 675,860 × 675,860
  4. Step 4: Simplify right side
    324,928x = 456,786,739,600
  5. Step 5: Solve for x
    x = 456,786,739,600/324,928
  6. Step 6: Final answer
    x = 1,405,809.10

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.