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Finding the Third Proportional to 159,468.75 and 246,739.50

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Solution

The third proportional to 159,468.75 and 246,739.50 is: 381,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,468.75 : 246,739.50 = 246,739.50 : x
  2. Step 2: Convert to fraction form
    159,468.75/246,739.50 = 246,739.50/x
  3. Step 3: Cross multiply
    159,468.75x = 246,739.50 × 246,739.50
  4. Step 4: Simplify right side
    159,468.75x = 60,880,380,860.25
  5. Step 5: Solve for x
    x = 60,880,380,860.25/159,468.75
  6. Step 6: Final answer
    x = 381,769.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.