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Finding the Third Proportional to 13.63 and 29.38

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Solution

The third proportional to 13.63 and 29.38 is: 63.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.63 : 29.38 = 29.38 : x
  2. Step 2: Convert to fraction form
    13.63/29.38 = 29.38/x
  3. Step 3: Cross multiply
    13.63x = 29.38 × 29.38
  4. Step 4: Simplify right side
    13.63x = 862.89
  5. Step 5: Solve for x
    x = 862.89/13.63
  6. Step 6: Final answer
    x = 63.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.