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Finding the Third Proportional to 122,208 and 260,544

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Solution

The third proportional to 122,208 and 260,544 is: 555,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,208 : 260,544 = 260,544 : x
  2. Step 2: Convert to fraction form
    122,208/260,544 = 260,544/x
  3. Step 3: Cross multiply
    122,208x = 260,544 × 260,544
  4. Step 4: Simplify right side
    122,208x = 67,883,175,936
  5. Step 5: Solve for x
    x = 67,883,175,936/122,208
  6. Step 6: Final answer
    x = 555,472.44

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.