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Finding the Third Proportional to 354,855 and 531,754.50

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Solution

The third proportional to 354,855 and 531,754.50 is: 796,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,855 : 531,754.50 = 531,754.50 : x
  2. Step 2: Convert to fraction form
    354,855/531,754.50 = 531,754.50/x
  3. Step 3: Cross multiply
    354,855x = 531,754.50 × 531,754.50
  4. Step 4: Simplify right side
    354,855x = 282,762,848,270.25
  5. Step 5: Solve for x
    x = 282,762,848,270.25/354,855
  6. Step 6: Final answer
    x = 796,840.54

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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.