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Finding the Third Proportional to 49,815 and 107,929

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Solution

The third proportional to 49,815 and 107,929 is: 233,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,815 : 107,929 = 107,929 : x
  2. Step 2: Convert to fraction form
    49,815/107,929 = 107,929/x
  3. Step 3: Cross multiply
    49,815x = 107,929 × 107,929
  4. Step 4: Simplify right side
    49,815x = 11,648,669,041
  5. Step 5: Solve for x
    x = 11,648,669,041/49,815
  6. Step 6: Final answer
    x = 233,838.58

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.