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Finding the Third Proportional to 53.66 and 126.94

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Solution

The third proportional to 53.66 and 126.94 is: 300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.66 : 126.94 = 126.94 : x
  2. Step 2: Convert to fraction form
    53.66/126.94 = 126.94/x
  3. Step 3: Cross multiply
    53.66x = 126.94 × 126.94
  4. Step 4: Simplify right side
    53.66x = 16,114.57
  5. Step 5: Solve for x
    x = 16,114.57/53.66
  6. Step 6: Final answer
    x = 300.31

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.