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Finding the Third Proportional to 165,558 and 368,588

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Solution

The third proportional to 165,558 and 368,588 is: 820,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,558 : 368,588 = 368,588 : x
  2. Step 2: Convert to fraction form
    165,558/368,588 = 368,588/x
  3. Step 3: Cross multiply
    165,558x = 368,588 × 368,588
  4. Step 4: Simplify right side
    165,558x = 135,857,113,744
  5. Step 5: Solve for x
    x = 135,857,113,744/165,558
  6. Step 6: Final answer
    x = 820,601.32

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.