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Finding the Third Proportional to 264,498.75 and 396,739.69

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Solution

The third proportional to 264,498.75 and 396,739.69 is: 595,096.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,498.75 : 396,739.69 = 396,739.69 : x
  2. Step 2: Convert to fraction form
    264,498.75/396,739.69 = 396,739.69/x
  3. Step 3: Cross multiply
    264,498.75x = 396,739.69 × 396,739.69
  4. Step 4: Simplify right side
    264,498.75x = 157,402,379,637.60
  5. Step 5: Solve for x
    x = 157,402,379,637.60/264,498.75
  6. Step 6: Final answer
    x = 595,096.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.