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Finding the Third Proportional to 103,838 and 225,900

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Solution

The third proportional to 103,838 and 225,900 is: 491,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,838 : 225,900 = 225,900 : x
  2. Step 2: Convert to fraction form
    103,838/225,900 = 225,900/x
  3. Step 3: Cross multiply
    103,838x = 225,900 × 225,900
  4. Step 4: Simplify right side
    103,838x = 51,030,810,000
  5. Step 5: Solve for x
    x = 51,030,810,000/103,838
  6. Step 6: Final answer
    x = 491,446.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.