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Finding the Third Proportional to 192,042 and 290,715.75

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Solution

The third proportional to 192,042 and 290,715.75 is: 440,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,042 : 290,715.75 = 290,715.75 : x
  2. Step 2: Convert to fraction form
    192,042/290,715.75 = 290,715.75/x
  3. Step 3: Cross multiply
    192,042x = 290,715.75 × 290,715.75
  4. Step 4: Simplify right side
    192,042x = 84,515,647,298.06
  5. Step 5: Solve for x
    x = 84,515,647,298.06/192,042
  6. Step 6: Final answer
    x = 440,089.39

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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.