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Finding the Third Proportional to 49,878 and 106,669

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Solution

The third proportional to 49,878 and 106,669 is: 228,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,878 : 106,669 = 106,669 : x
  2. Step 2: Convert to fraction form
    49,878/106,669 = 106,669/x
  3. Step 3: Cross multiply
    49,878x = 106,669 × 106,669
  4. Step 4: Simplify right side
    49,878x = 11,378,275,561
  5. Step 5: Solve for x
    x = 11,378,275,561/49,878
  6. Step 6: Final answer
    x = 228,122.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.