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Finding the Third Proportional to 7,356.50 and 16,171

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Solution

The third proportional to 7,356.50 and 16,171 is: 35,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.50 : 16,171 = 16,171 : x
  2. Step 2: Convert to fraction form
    7,356.50/16,171 = 16,171/x
  3. Step 3: Cross multiply
    7,356.50x = 16,171 × 16,171
  4. Step 4: Simplify right side
    7,356.50x = 261,501,241
  5. Step 5: Solve for x
    x = 261,501,241/7,356.50
  6. Step 6: Final answer
    x = 35,546.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.