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Finding the Third Proportional to 12.44 and 28.53

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Solution

The third proportional to 12.44 and 28.53 is: 65.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.44 : 28.53 = 28.53 : x
  2. Step 2: Convert to fraction form
    12.44/28.53 = 28.53/x
  3. Step 3: Cross multiply
    12.44x = 28.53 × 28.53
  4. Step 4: Simplify right side
    12.44x = 813.81
  5. Step 5: Solve for x
    x = 813.81/12.44
  6. Step 6: Final answer
    x = 65.45

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.