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Finding the Third Proportional to 166,214 and 356,242

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Solution

The third proportional to 166,214 and 356,242 is: 763,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,214 : 356,242 = 356,242 : x
  2. Step 2: Convert to fraction form
    166,214/356,242 = 356,242/x
  3. Step 3: Cross multiply
    166,214x = 356,242 × 356,242
  4. Step 4: Simplify right side
    166,214x = 126,908,362,564
  5. Step 5: Solve for x
    x = 126,908,362,564/166,214
  6. Step 6: Final answer
    x = 763,523.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.