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Finding the Third Proportional to 79,828.88 and 110,995.31

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Solution

The third proportional to 79,828.88 and 110,995.31 is: 154,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,828.88 : 110,995.31 = 110,995.31 : x
  2. Step 2: Convert to fraction form
    79,828.88/110,995.31 = 110,995.31/x
  3. Step 3: Cross multiply
    79,828.88x = 110,995.31 × 110,995.31
  4. Step 4: Simplify right side
    79,828.88x = 12,319,959,396.97
  5. Step 5: Solve for x
    x = 12,319,959,396.97/79,828.88
  6. Step 6: Final answer
    x = 154,329.61

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.