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Finding the Third Proportional to 166,798 and 251,644

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Solution

The third proportional to 166,798 and 251,644 is: 379,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,798 : 251,644 = 251,644 : x
  2. Step 2: Convert to fraction form
    166,798/251,644 = 251,644/x
  3. Step 3: Cross multiply
    166,798x = 251,644 × 251,644
  4. Step 4: Simplify right side
    166,798x = 63,324,702,736
  5. Step 5: Solve for x
    x = 63,324,702,736/166,798
  6. Step 6: Final answer
    x = 379,649.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.