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Finding the Third Proportional to 166,171 and 362,418

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Solution

The third proportional to 166,171 and 362,418 is: 790,431.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,171 : 362,418 = 362,418 : x
  2. Step 2: Convert to fraction form
    166,171/362,418 = 362,418/x
  3. Step 3: Cross multiply
    166,171x = 362,418 × 362,418
  4. Step 4: Simplify right side
    166,171x = 131,346,806,724
  5. Step 5: Solve for x
    x = 131,346,806,724/166,171
  6. Step 6: Final answer
    x = 790,431.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.