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Finding the Third Proportional to 168,798 and 255,005

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Solution

The third proportional to 168,798 and 255,005 is: 385,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,798 : 255,005 = 255,005 : x
  2. Step 2: Convert to fraction form
    168,798/255,005 = 255,005/x
  3. Step 3: Cross multiply
    168,798x = 255,005 × 255,005
  4. Step 4: Simplify right side
    168,798x = 65,027,550,025
  5. Step 5: Solve for x
    x = 65,027,550,025/168,798
  6. Step 6: Final answer
    x = 385,238.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.