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Finding the Third Proportional to 173,521 and 262,469

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Solution

The third proportional to 173,521 and 262,469 is: 397,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521 : 262,469 = 262,469 : x
  2. Step 2: Convert to fraction form
    173,521/262,469 = 262,469/x
  3. Step 3: Cross multiply
    173,521x = 262,469 × 262,469
  4. Step 4: Simplify right side
    173,521x = 68,889,975,961
  5. Step 5: Solve for x
    x = 68,889,975,961/173,521
  6. Step 6: Final answer
    x = 397,012.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.