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Finding the Third Proportional to 260,227.50 and 388,182.75

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Solution

The third proportional to 260,227.50 and 388,182.75 is: 579,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,227.50 : 388,182.75 = 388,182.75 : x
  2. Step 2: Convert to fraction form
    260,227.50/388,182.75 = 388,182.75/x
  3. Step 3: Cross multiply
    260,227.50x = 388,182.75 × 388,182.75
  4. Step 4: Simplify right side
    260,227.50x = 150,685,847,397.56
  5. Step 5: Solve for x
    x = 150,685,847,397.56/260,227.50
  6. Step 6: Final answer
    x = 579,054.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.