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Finding the Third Proportional to 126,255 and 276,267

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Solution

The third proportional to 126,255 and 276,267 is: 604,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255 : 276,267 = 276,267 : x
  2. Step 2: Convert to fraction form
    126,255/276,267 = 276,267/x
  3. Step 3: Cross multiply
    126,255x = 276,267 × 276,267
  4. Step 4: Simplify right side
    126,255x = 76,323,455,289
  5. Step 5: Solve for x
    x = 76,323,455,289/126,255
  6. Step 6: Final answer
    x = 604,518.28

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.