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Finding the Third Proportional to 192,319 and 298,556

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Solution

The third proportional to 192,319 and 298,556 is: 463,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,319 : 298,556 = 298,556 : x
  2. Step 2: Convert to fraction form
    192,319/298,556 = 298,556/x
  3. Step 3: Cross multiply
    192,319x = 298,556 × 298,556
  4. Step 4: Simplify right side
    192,319x = 89,135,685,136
  5. Step 5: Solve for x
    x = 89,135,685,136/192,319
  6. Step 6: Final answer
    x = 463,478.31

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.