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Finding the Third Proportional to 55.88 and 126.94

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Solution

The third proportional to 55.88 and 126.94 is: 288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.88 : 126.94 = 126.94 : x
  2. Step 2: Convert to fraction form
    55.88/126.94 = 126.94/x
  3. Step 3: Cross multiply
    55.88x = 126.94 × 126.94
  4. Step 4: Simplify right side
    55.88x = 16,113.13
  5. Step 5: Solve for x
    x = 16,113.13/55.88
  6. Step 6: Final answer
    x = 288.38

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.