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Finding the Third Proportional to 127,758 and 263,718

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Solution

The third proportional to 127,758 and 263,718 is: 544,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,758 : 263,718 = 263,718 : x
  2. Step 2: Convert to fraction form
    127,758/263,718 = 263,718/x
  3. Step 3: Cross multiply
    127,758x = 263,718 × 263,718
  4. Step 4: Simplify right side
    127,758x = 69,547,183,524
  5. Step 5: Solve for x
    x = 69,547,183,524/127,758
  6. Step 6: Final answer
    x = 544,366.56

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.