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Finding the Third Proportional to 54,838 and 117,838

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Solution

The third proportional to 54,838 and 117,838 is: 253,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838 : 117,838 = 117,838 : x
  2. Step 2: Convert to fraction form
    54,838/117,838 = 117,838/x
  3. Step 3: Cross multiply
    54,838x = 117,838 × 117,838
  4. Step 4: Simplify right side
    54,838x = 13,885,794,244
  5. Step 5: Solve for x
    x = 13,885,794,244/54,838
  6. Step 6: Final answer
    x = 253,214.82

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.