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Finding the Third Proportional to 171,163.50 and 268,495.50

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Solution

The third proportional to 171,163.50 and 268,495.50 is: 421,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,163.50 : 268,495.50 = 268,495.50 : x
  2. Step 2: Convert to fraction form
    171,163.50/268,495.50 = 268,495.50/x
  3. Step 3: Cross multiply
    171,163.50x = 268,495.50 × 268,495.50
  4. Step 4: Simplify right side
    171,163.50x = 72,089,833,520.25
  5. Step 5: Solve for x
    x = 72,089,833,520.25/171,163.50
  6. Step 6: Final answer
    x = 421,175.27

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.