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Finding the Third Proportional to 125,208 and 273,420

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Solution

The third proportional to 125,208 and 273,420 is: 597,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,208 : 273,420 = 273,420 : x
  2. Step 2: Convert to fraction form
    125,208/273,420 = 273,420/x
  3. Step 3: Cross multiply
    125,208x = 273,420 × 273,420
  4. Step 4: Simplify right side
    125,208x = 74,758,496,400
  5. Step 5: Solve for x
    x = 74,758,496,400/125,208
  6. Step 6: Final answer
    x = 597,074.44

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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.