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Finding the Third Proportional to 124.50 and 224.63

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Solution

The third proportional to 124.50 and 224.63 is: 405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.50 : 224.63 = 224.63 : x
  2. Step 2: Convert to fraction form
    124.50/224.63 = 224.63/x
  3. Step 3: Cross multiply
    124.50x = 224.63 × 224.63
  4. Step 4: Simplify right side
    124.50x = 50,456.39
  5. Step 5: Solve for x
    x = 50,456.39/124.50
  6. Step 6: Final answer
    x = 405.27

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.