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Finding the Third Proportional to 248,516.75 and 387,540.75

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Solution

The third proportional to 248,516.75 and 387,540.75 is: 604,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,516.75 : 387,540.75 = 387,540.75 : x
  2. Step 2: Convert to fraction form
    248,516.75/387,540.75 = 387,540.75/x
  3. Step 3: Cross multiply
    248,516.75x = 387,540.75 × 387,540.75
  4. Step 4: Simplify right side
    248,516.75x = 150,187,832,910.56
  5. Step 5: Solve for x
    x = 150,187,832,910.56/248,516.75
  6. Step 6: Final answer
    x = 604,336.86

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.