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Finding the Third Proportional to 167,080 and 255,913

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Solution

The third proportional to 167,080 and 255,913 is: 391,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,080 : 255,913 = 255,913 : x
  2. Step 2: Convert to fraction form
    167,080/255,913 = 255,913/x
  3. Step 3: Cross multiply
    167,080x = 255,913 × 255,913
  4. Step 4: Simplify right side
    167,080x = 65,491,463,569
  5. Step 5: Solve for x
    x = 65,491,463,569/167,080
  6. Step 6: Final answer
    x = 391,976.68

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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.