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Finding the Third Proportional to 173,990 and 255,882

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Solution

The third proportional to 173,990 and 255,882 is: 376,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,990 : 255,882 = 255,882 : x
  2. Step 2: Convert to fraction form
    173,990/255,882 = 255,882/x
  3. Step 3: Cross multiply
    173,990x = 255,882 × 255,882
  4. Step 4: Simplify right side
    173,990x = 65,475,597,924
  5. Step 5: Solve for x
    x = 65,475,597,924/173,990
  6. Step 6: Final answer
    x = 376,318.17

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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.