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Finding the Third Proportional to 103.92 and 224.93

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Solution

The third proportional to 103.92 and 224.93 is: 486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103.92 : 224.93 = 224.93 : x
  2. Step 2: Convert to fraction form
    103.92/224.93 = 224.93/x
  3. Step 3: Cross multiply
    103.92x = 224.93 × 224.93
  4. Step 4: Simplify right side
    103.92x = 50,593.36
  5. Step 5: Solve for x
    x = 50,593.36/103.92
  6. Step 6: Final answer
    x = 486.84

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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.