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Finding the Third Proportional to 192,057 and 290,740.50

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Solution

The third proportional to 192,057 and 290,740.50 is: 440,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,057 : 290,740.50 = 290,740.50 : x
  2. Step 2: Convert to fraction form
    192,057/290,740.50 = 290,740.50/x
  3. Step 3: Cross multiply
    192,057x = 290,740.50 × 290,740.50
  4. Step 4: Simplify right side
    192,057x = 84,530,038,340.25
  5. Step 5: Solve for x
    x = 84,530,038,340.25/192,057
  6. Step 6: Final answer
    x = 440,129.95

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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.