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Finding the Third Proportional to 107,249 and 228,742

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Solution

The third proportional to 107,249 and 228,742 is: 487,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,249 : 228,742 = 228,742 : x
  2. Step 2: Convert to fraction form
    107,249/228,742 = 228,742/x
  3. Step 3: Cross multiply
    107,249x = 228,742 × 228,742
  4. Step 4: Simplify right side
    107,249x = 52,322,902,564
  5. Step 5: Solve for x
    x = 52,322,902,564/107,249
  6. Step 6: Final answer
    x = 487,863.78

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.