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Finding the Third Proportional to 168,004 and 259,940

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Solution

The third proportional to 168,004 and 259,940 is: 402,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,004 : 259,940 = 259,940 : x
  2. Step 2: Convert to fraction form
    168,004/259,940 = 259,940/x
  3. Step 3: Cross multiply
    168,004x = 259,940 × 259,940
  4. Step 4: Simplify right side
    168,004x = 67,568,803,600
  5. Step 5: Solve for x
    x = 67,568,803,600/168,004
  6. Step 6: Final answer
    x = 402,185.68

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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.