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Finding the Third Proportional to 70.56 and 125.93

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Solution

The third proportional to 70.56 and 125.93 is: 224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.56 : 125.93 = 125.93 : x
  2. Step 2: Convert to fraction form
    70.56/125.93 = 125.93/x
  3. Step 3: Cross multiply
    70.56x = 125.93 × 125.93
  4. Step 4: Simplify right side
    70.56x = 15,858.29
  5. Step 5: Solve for x
    x = 15,858.29/70.56
  6. Step 6: Final answer
    x = 224.75

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.