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Finding the Third Proportional to 79,244 and 172,704

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Solution

The third proportional to 79,244 and 172,704 is: 376,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,244 : 172,704 = 172,704 : x
  2. Step 2: Convert to fraction form
    79,244/172,704 = 172,704/x
  3. Step 3: Cross multiply
    79,244x = 172,704 × 172,704
  4. Step 4: Simplify right side
    79,244x = 29,826,671,616
  5. Step 5: Solve for x
    x = 29,826,671,616/79,244
  6. Step 6: Final answer
    x = 376,390.28

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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.