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Finding the Third Proportional to 240,685.50 and 515,529

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Solution

The third proportional to 240,685.50 and 515,529 is: 1,104,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,685.50 : 515,529 = 515,529 : x
  2. Step 2: Convert to fraction form
    240,685.50/515,529 = 515,529/x
  3. Step 3: Cross multiply
    240,685.50x = 515,529 × 515,529
  4. Step 4: Simplify right side
    240,685.50x = 265,770,149,841
  5. Step 5: Solve for x
    x = 265,770,149,841/240,685.50
  6. Step 6: Final answer
    x = 1,104,221.69

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.