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Finding the Third Proportional to 107,728 and 236,624

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Solution

The third proportional to 107,728 and 236,624 is: 519,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,728 : 236,624 = 236,624 : x
  2. Step 2: Convert to fraction form
    107,728/236,624 = 236,624/x
  3. Step 3: Cross multiply
    107,728x = 236,624 × 236,624
  4. Step 4: Simplify right side
    107,728x = 55,990,917,376
  5. Step 5: Solve for x
    x = 55,990,917,376/107,728
  6. Step 6: Final answer
    x = 519,743.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.