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Finding the Third Proportional to 6,843.50 and 14,781

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Solution

The third proportional to 6,843.50 and 14,781 is: 31,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,843.50 : 14,781 = 14,781 : x
  2. Step 2: Convert to fraction form
    6,843.50/14,781 = 14,781/x
  3. Step 3: Cross multiply
    6,843.50x = 14,781 × 14,781
  4. Step 4: Simplify right side
    6,843.50x = 218,477,961
  5. Step 5: Solve for x
    x = 218,477,961/6,843.50
  6. Step 6: Final answer
    x = 31,924.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.