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Finding the Third Proportional to 126,369 and 276,498

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Solution

The third proportional to 126,369 and 276,498 is: 604,983.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369 : 276,498 = 276,498 : x
  2. Step 2: Convert to fraction form
    126,369/276,498 = 276,498/x
  3. Step 3: Cross multiply
    126,369x = 276,498 × 276,498
  4. Step 4: Simplify right side
    126,369x = 76,451,144,004
  5. Step 5: Solve for x
    x = 76,451,144,004/126,369
  6. Step 6: Final answer
    x = 604,983.37

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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.