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Finding the Third Proportional to 79,296 and 173,184

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Solution

The third proportional to 79,296 and 173,184 is: 378,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,296 : 173,184 = 173,184 : x
  2. Step 2: Convert to fraction form
    79,296/173,184 = 173,184/x
  3. Step 3: Cross multiply
    79,296x = 173,184 × 173,184
  4. Step 4: Simplify right side
    79,296x = 29,992,697,856
  5. Step 5: Solve for x
    x = 29,992,697,856/79,296
  6. Step 6: Final answer
    x = 378,237.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.