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Finding the Third Proportional to 47,840 and 104,800

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Solution

The third proportional to 47,840 and 104,800 is: 229,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840 : 104,800 = 104,800 : x
  2. Step 2: Convert to fraction form
    47,840/104,800 = 104,800/x
  3. Step 3: Cross multiply
    47,840x = 104,800 × 104,800
  4. Step 4: Simplify right side
    47,840x = 10,983,040,000
  5. Step 5: Solve for x
    x = 10,983,040,000/47,840
  6. Step 6: Final answer
    x = 229,578.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.