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Finding the Third Proportional to 61,908 and 82,923

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Solution

The third proportional to 61,908 and 82,923 is: 111,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,908 : 82,923 = 82,923 : x
  2. Step 2: Convert to fraction form
    61,908/82,923 = 82,923/x
  3. Step 3: Cross multiply
    61,908x = 82,923 × 82,923
  4. Step 4: Simplify right side
    61,908x = 6,876,223,929
  5. Step 5: Solve for x
    x = 6,876,223,929/61,908
  6. Step 6: Final answer
    x = 111,071.65

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.