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Finding the Third Proportional to 4.55 and 8.44

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Solution

The third proportional to 4.55 and 8.44 is: 15.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.55 : 8.44 = 8.44 : x
  2. Step 2: Convert to fraction form
    4.55/8.44 = 8.44/x
  3. Step 3: Cross multiply
    4.55x = 8.44 × 8.44
  4. Step 4: Simplify right side
    4.55x = 71.19
  5. Step 5: Solve for x
    x = 71.19/4.55
  6. Step 6: Final answer
    x = 15.66

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.