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Finding the Third Proportional to 193,872 and 284,408

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Solution

The third proportional to 193,872 and 284,408 is: 417,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,872 : 284,408 = 284,408 : x
  2. Step 2: Convert to fraction form
    193,872/284,408 = 284,408/x
  3. Step 3: Cross multiply
    193,872x = 284,408 × 284,408
  4. Step 4: Simplify right side
    193,872x = 80,887,910,464
  5. Step 5: Solve for x
    x = 80,887,910,464/193,872
  6. Step 6: Final answer
    x = 417,223.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.