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Finding the Third Proportional to 192,199.50 and 412,816.50

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Solution

The third proportional to 192,199.50 and 412,816.50 is: 886,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,199.50 : 412,816.50 = 412,816.50 : x
  2. Step 2: Convert to fraction form
    192,199.50/412,816.50 = 412,816.50/x
  3. Step 3: Cross multiply
    192,199.50x = 412,816.50 × 412,816.50
  4. Step 4: Simplify right side
    192,199.50x = 170,417,462,672.25
  5. Step 5: Solve for x
    x = 170,417,462,672.25/192,199.50
  6. Step 6: Final answer
    x = 886,669.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.