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Finding the Third Proportional to 53,679 and 113,838

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Solution

The third proportional to 53,679 and 113,838 is: 241,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679 : 113,838 = 113,838 : x
  2. Step 2: Convert to fraction form
    53,679/113,838 = 113,838/x
  3. Step 3: Cross multiply
    53,679x = 113,838 × 113,838
  4. Step 4: Simplify right side
    53,679x = 12,959,090,244
  5. Step 5: Solve for x
    x = 12,959,090,244/53,679
  6. Step 6: Final answer
    x = 241,418.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.