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Finding the Third Proportional to 57.63 and 124.94

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Solution

The third proportional to 57.63 and 124.94 is: 270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.63 : 124.94 = 124.94 : x
  2. Step 2: Convert to fraction form
    57.63/124.94 = 124.94/x
  3. Step 3: Cross multiply
    57.63x = 124.94 × 124.94
  4. Step 4: Simplify right side
    57.63x = 15,609.38
  5. Step 5: Solve for x
    x = 15,609.38/57.63
  6. Step 6: Final answer
    x = 270.88

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.