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Finding the Third Proportional to 124.13 and 200.63

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Solution

The third proportional to 124.13 and 200.63 is: 324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.13 : 200.63 = 200.63 : x
  2. Step 2: Convert to fraction form
    124.13/200.63 = 200.63/x
  3. Step 3: Cross multiply
    124.13x = 200.63 × 200.63
  4. Step 4: Simplify right side
    124.13x = 40,250.39
  5. Step 5: Solve for x
    x = 40,250.39/124.13
  6. Step 6: Final answer
    x = 324.27

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.