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Finding the Third Proportional to 21,843.50 and 46,873

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Solution

The third proportional to 21,843.50 and 46,873 is: 100,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.50 : 46,873 = 46,873 : x
  2. Step 2: Convert to fraction form
    21,843.50/46,873 = 46,873/x
  3. Step 3: Cross multiply
    21,843.50x = 46,873 × 46,873
  4. Step 4: Simplify right side
    21,843.50x = 2,197,078,129
  5. Step 5: Solve for x
    x = 2,197,078,129/21,843.50
  6. Step 6: Final answer
    x = 100,582.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.