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Finding the Third Proportional to 161,204 and 254,172

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Solution

The third proportional to 161,204 and 254,172 is: 400,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,204 : 254,172 = 254,172 : x
  2. Step 2: Convert to fraction form
    161,204/254,172 = 254,172/x
  3. Step 3: Cross multiply
    161,204x = 254,172 × 254,172
  4. Step 4: Simplify right side
    161,204x = 64,603,405,584
  5. Step 5: Solve for x
    x = 64,603,405,584/161,204
  6. Step 6: Final answer
    x = 400,755.60

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.