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Finding the Third Proportional to 109,682 and 165,873

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Solution

The third proportional to 109,682 and 165,873 is: 250,851.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,682 : 165,873 = 165,873 : x
  2. Step 2: Convert to fraction form
    109,682/165,873 = 165,873/x
  3. Step 3: Cross multiply
    109,682x = 165,873 × 165,873
  4. Step 4: Simplify right side
    109,682x = 27,513,852,129
  5. Step 5: Solve for x
    x = 27,513,852,129/109,682
  6. Step 6: Final answer
    x = 250,851.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.