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Finding the Third Proportional to 11.60 and 24.89

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Solution

The third proportional to 11.60 and 24.89 is: 53.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.60 : 24.89 = 24.89 : x
  2. Step 2: Convert to fraction form
    11.60/24.89 = 24.89/x
  3. Step 3: Cross multiply
    11.60x = 24.89 × 24.89
  4. Step 4: Simplify right side
    11.60x = 619.54
  5. Step 5: Solve for x
    x = 619.54/11.60
  6. Step 6: Final answer
    x = 53.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.