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Finding the Third Proportional to 165,364 and 262,189

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Solution

The third proportional to 165,364 and 262,189 is: 415,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,364 : 262,189 = 262,189 : x
  2. Step 2: Convert to fraction form
    165,364/262,189 = 262,189/x
  3. Step 3: Cross multiply
    165,364x = 262,189 × 262,189
  4. Step 4: Simplify right side
    165,364x = 68,743,071,721
  5. Step 5: Solve for x
    x = 68,743,071,721/165,364
  6. Step 6: Final answer
    x = 415,707.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.