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Finding the Third Proportional to 250,573.50 and 388,590.75

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Solution

The third proportional to 250,573.50 and 388,590.75 is: 602,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,573.50 : 388,590.75 = 388,590.75 : x
  2. Step 2: Convert to fraction form
    250,573.50/388,590.75 = 388,590.75/x
  3. Step 3: Cross multiply
    250,573.50x = 388,590.75 × 388,590.75
  4. Step 4: Simplify right side
    250,573.50x = 151,002,770,985.56
  5. Step 5: Solve for x
    x = 151,002,770,985.56/250,573.50
  6. Step 6: Final answer
    x = 602,628.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.