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Finding the Third Proportional to 3.63 and 5.69

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Solution

The third proportional to 3.63 and 5.69 is: 8.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.63 : 5.69 = 5.69 : x
  2. Step 2: Convert to fraction form
    3.63/5.69 = 5.69/x
  3. Step 3: Cross multiply
    3.63x = 5.69 × 5.69
  4. Step 4: Simplify right side
    3.63x = 32.35
  5. Step 5: Solve for x
    x = 32.35/3.63
  6. Step 6: Final answer
    x = 8.92

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.