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Finding the Third Proportional to 104,990 and 226,828

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Solution

The third proportional to 104,990 and 226,828 is: 490,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990 : 226,828 = 226,828 : x
  2. Step 2: Convert to fraction form
    104,990/226,828 = 226,828/x
  3. Step 3: Cross multiply
    104,990x = 226,828 × 226,828
  4. Step 4: Simplify right side
    104,990x = 51,450,941,584
  5. Step 5: Solve for x
    x = 51,450,941,584/104,990
  6. Step 6: Final answer
    x = 490,055.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.