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Finding the Third Proportional to 141,918 and 236,520

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Solution

The third proportional to 141,918 and 236,520 is: 394,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,918 : 236,520 = 236,520 : x
  2. Step 2: Convert to fraction form
    141,918/236,520 = 236,520/x
  3. Step 3: Cross multiply
    141,918x = 236,520 × 236,520
  4. Step 4: Simplify right side
    141,918x = 55,941,710,400
  5. Step 5: Solve for x
    x = 55,941,710,400/141,918
  6. Step 6: Final answer
    x = 394,183.33

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.