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Finding the Third Proportional to 178,143 and 267,450

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Solution

The third proportional to 178,143 and 267,450 is: 401,528.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,143 : 267,450 = 267,450 : x
  2. Step 2: Convert to fraction form
    178,143/267,450 = 267,450/x
  3. Step 3: Cross multiply
    178,143x = 267,450 × 267,450
  4. Step 4: Simplify right side
    178,143x = 71,529,502,500
  5. Step 5: Solve for x
    x = 71,529,502,500/178,143
  6. Step 6: Final answer
    x = 401,528.56

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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.