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Finding the Third Proportional to 112,918 and 165,137

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Solution

The third proportional to 112,918 and 165,137 is: 241,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,918 : 165,137 = 165,137 : x
  2. Step 2: Convert to fraction form
    112,918/165,137 = 165,137/x
  3. Step 3: Cross multiply
    112,918x = 165,137 × 165,137
  4. Step 4: Simplify right side
    112,918x = 27,270,228,769
  5. Step 5: Solve for x
    x = 27,270,228,769/112,918
  6. Step 6: Final answer
    x = 241,504.71

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.