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Finding the Third Proportional to 904,339.50 and 1,990,845

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Solution

The third proportional to 904,339.50 and 1,990,845 is: 4,382,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,339.50 : 1,990,845 = 1,990,845 : x
  2. Step 2: Convert to fraction form
    904,339.50/1,990,845 = 1,990,845/x
  3. Step 3: Cross multiply
    904,339.50x = 1,990,845 × 1,990,845
  4. Step 4: Simplify right side
    904,339.50x = 3,963,463,814,025
  5. Step 5: Solve for x
    x = 3,963,463,814,025/904,339.50
  6. Step 6: Final answer
    x = 4,382,716.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.