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Finding the Third Proportional to 126 and 263.63

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Solution

The third proportional to 126 and 263.63 is: 551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126 : 263.63 = 263.63 : x
  2. Step 2: Convert to fraction form
    126/263.63 = 263.63/x
  3. Step 3: Cross multiply
    126x = 263.63 × 263.63
  4. Step 4: Simplify right side
    126x = 69,498.14
  5. Step 5: Solve for x
    x = 69,498.14/126
  6. Step 6: Final answer
    x = 551.57

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.