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Finding the Third Proportional to 171,720 and 368,832

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Solution

The third proportional to 171,720 and 368,832 is: 792,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,720 : 368,832 = 368,832 : x
  2. Step 2: Convert to fraction form
    171,720/368,832 = 368,832/x
  3. Step 3: Cross multiply
    171,720x = 368,832 × 368,832
  4. Step 4: Simplify right side
    171,720x = 136,037,044,224
  5. Step 5: Solve for x
    x = 136,037,044,224/171,720
  6. Step 6: Final answer
    x = 792,202.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.