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Finding the Third Proportional to 2,786,479.75 and 3,923,972

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Solution

The third proportional to 2,786,479.75 and 3,923,972 is: 5,525,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,479.75 : 3,923,972 = 3,923,972 : x
  2. Step 2: Convert to fraction form
    2,786,479.75/3,923,972 = 3,923,972/x
  3. Step 3: Cross multiply
    2,786,479.75x = 3,923,972 × 3,923,972
  4. Step 4: Simplify right side
    2,786,479.75x = 15,397,556,256,784
  5. Step 5: Solve for x
    x = 15,397,556,256,784/2,786,479.75
  6. Step 6: Final answer
    x = 5,525,809.49

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.