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Finding the Third Proportional to 904,412 and 1,399,764

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Solution

The third proportional to 904,412 and 1,399,764 is: 2,166,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,412 : 1,399,764 = 1,399,764 : x
  2. Step 2: Convert to fraction form
    904,412/1,399,764 = 1,399,764/x
  3. Step 3: Cross multiply
    904,412x = 1,399,764 × 1,399,764
  4. Step 4: Simplify right side
    904,412x = 1,959,339,255,696
  5. Step 5: Solve for x
    x = 1,959,339,255,696/904,412
  6. Step 6: Final answer
    x = 2,166,423.33

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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.