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Finding the Third Proportional to 168,168 and 361,848

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Solution

The third proportional to 168,168 and 361,848 is: 778,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,168 : 361,848 = 361,848 : x
  2. Step 2: Convert to fraction form
    168,168/361,848 = 361,848/x
  3. Step 3: Cross multiply
    168,168x = 361,848 × 361,848
  4. Step 4: Simplify right side
    168,168x = 130,933,975,104
  5. Step 5: Solve for x
    x = 130,933,975,104/168,168
  6. Step 6: Final answer
    x = 778,590.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.