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Finding the Third Proportional to 166,178 and 264,171

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Solution

The third proportional to 166,178 and 264,171 is: 419,949.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,178 : 264,171 = 264,171 : x
  2. Step 2: Convert to fraction form
    166,178/264,171 = 264,171/x
  3. Step 3: Cross multiply
    166,178x = 264,171 × 264,171
  4. Step 4: Simplify right side
    166,178x = 69,786,317,241
  5. Step 5: Solve for x
    x = 69,786,317,241/166,178
  6. Step 6: Final answer
    x = 419,949.19

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.