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Finding the Third Proportional to 321,794 and 482,070

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Solution

The third proportional to 321,794 and 482,070 is: 722,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,794 : 482,070 = 482,070 : x
  2. Step 2: Convert to fraction form
    321,794/482,070 = 482,070/x
  3. Step 3: Cross multiply
    321,794x = 482,070 × 482,070
  4. Step 4: Simplify right side
    321,794x = 232,391,484,900
  5. Step 5: Solve for x
    x = 232,391,484,900/321,794
  6. Step 6: Final answer
    x = 722,174.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.