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Finding the Third Proportional to 166,943 and 255,936

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Solution

The third proportional to 166,943 and 255,936 is: 392,368.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,943 : 255,936 = 255,936 : x
  2. Step 2: Convert to fraction form
    166,943/255,936 = 255,936/x
  3. Step 3: Cross multiply
    166,943x = 255,936 × 255,936
  4. Step 4: Simplify right side
    166,943x = 65,503,236,096
  5. Step 5: Solve for x
    x = 65,503,236,096/166,943
  6. Step 6: Final answer
    x = 392,368.87

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.