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Finding the Third Proportional to 159,480 and 345,204

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Solution

The third proportional to 159,480 and 345,204 is: 747,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480 : 345,204 = 345,204 : x
  2. Step 2: Convert to fraction form
    159,480/345,204 = 345,204/x
  3. Step 3: Cross multiply
    159,480x = 345,204 × 345,204
  4. Step 4: Simplify right side
    159,480x = 119,165,801,616
  5. Step 5: Solve for x
    x = 119,165,801,616/159,480
  6. Step 6: Final answer
    x = 747,214.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.