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Finding the Third Proportional to 53,879 and 117,548

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Solution

The third proportional to 53,879 and 117,548 is: 256,454.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879 : 117,548 = 117,548 : x
  2. Step 2: Convert to fraction form
    53,879/117,548 = 117,548/x
  3. Step 3: Cross multiply
    53,879x = 117,548 × 117,548
  4. Step 4: Simplify right side
    53,879x = 13,817,532,304
  5. Step 5: Solve for x
    x = 13,817,532,304/53,879
  6. Step 6: Final answer
    x = 256,454.88

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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.