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Finding the Third Proportional to 253,495.50 and 394,794

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Solution

The third proportional to 253,495.50 and 394,794 is: 614,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,495.50 : 394,794 = 394,794 : x
  2. Step 2: Convert to fraction form
    253,495.50/394,794 = 394,794/x
  3. Step 3: Cross multiply
    253,495.50x = 394,794 × 394,794
  4. Step 4: Simplify right side
    253,495.50x = 155,862,302,436
  5. Step 5: Solve for x
    x = 155,862,302,436/253,495.50
  6. Step 6: Final answer
    x = 614,852.34

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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.