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Finding the Third Proportional to 5.63 and 11.88

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Solution

The third proportional to 5.63 and 11.88 is: 25.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.63 : 11.88 = 11.88 : x
  2. Step 2: Convert to fraction form
    5.63/11.88 = 11.88/x
  3. Step 3: Cross multiply
    5.63x = 11.88 × 11.88
  4. Step 4: Simplify right side
    5.63x = 141.02
  5. Step 5: Solve for x
    x = 141.02/5.63
  6. Step 6: Final answer
    x = 25.07

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.