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Finding the Third Proportional to 399,048 and 886,674

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Solution

The third proportional to 399,048 and 886,674 is: 1,970,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,048 : 886,674 = 886,674 : x
  2. Step 2: Convert to fraction form
    399,048/886,674 = 886,674/x
  3. Step 3: Cross multiply
    399,048x = 886,674 × 886,674
  4. Step 4: Simplify right side
    399,048x = 786,190,782,276
  5. Step 5: Solve for x
    x = 786,190,782,276/399,048
  6. Step 6: Final answer
    x = 1,970,165.95

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.