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Finding the Third Proportional to 172,880 and 253,092

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Solution

The third proportional to 172,880 and 253,092 is: 370,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,880 : 253,092 = 253,092 : x
  2. Step 2: Convert to fraction form
    172,880/253,092 = 253,092/x
  3. Step 3: Cross multiply
    172,880x = 253,092 × 253,092
  4. Step 4: Simplify right side
    172,880x = 64,055,560,464
  5. Step 5: Solve for x
    x = 64,055,560,464/172,880
  6. Step 6: Final answer
    x = 370,520.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.