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Finding the Third Proportional to 178,265 and 267,436

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Solution

The third proportional to 178,265 and 267,436 is: 401,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,265 : 267,436 = 267,436 : x
  2. Step 2: Convert to fraction form
    178,265/267,436 = 267,436/x
  3. Step 3: Cross multiply
    178,265x = 267,436 × 267,436
  4. Step 4: Simplify right side
    178,265x = 71,522,014,096
  5. Step 5: Solve for x
    x = 71,522,014,096/178,265
  6. Step 6: Final answer
    x = 401,211.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.