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Finding the Third Proportional to 12.42 and 26.93

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Solution

The third proportional to 12.42 and 26.93 is: 58.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.42 : 26.93 = 26.93 : x
  2. Step 2: Convert to fraction form
    12.42/26.93 = 26.93/x
  3. Step 3: Cross multiply
    12.42x = 26.93 × 26.93
  4. Step 4: Simplify right side
    12.42x = 725.21
  5. Step 5: Solve for x
    x = 725.21/12.42
  6. Step 6: Final answer
    x = 58.38

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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.