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Finding the Third Proportional to 167,817 and 254,163

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Solution

The third proportional to 167,817 and 254,163 is: 384,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,817 : 254,163 = 254,163 : x
  2. Step 2: Convert to fraction form
    167,817/254,163 = 254,163/x
  3. Step 3: Cross multiply
    167,817x = 254,163 × 254,163
  4. Step 4: Simplify right side
    167,817x = 64,598,830,569
  5. Step 5: Solve for x
    x = 64,598,830,569/167,817
  6. Step 6: Final answer
    x = 384,936.15

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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.