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Finding the Third Proportional to 192,060 and 290,740

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Solution

The third proportional to 192,060 and 290,740 is: 440,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,060 : 290,740 = 290,740 : x
  2. Step 2: Convert to fraction form
    192,060/290,740 = 290,740/x
  3. Step 3: Cross multiply
    192,060x = 290,740 × 290,740
  4. Step 4: Simplify right side
    192,060x = 84,529,747,600
  5. Step 5: Solve for x
    x = 84,529,747,600/192,060
  6. Step 6: Final answer
    x = 440,121.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.