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Finding the Third Proportional to 6,858 and 14,755.50

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Solution

The third proportional to 6,858 and 14,755.50 is: 31,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858 : 14,755.50 = 14,755.50 : x
  2. Step 2: Convert to fraction form
    6,858/14,755.50 = 14,755.50/x
  3. Step 3: Cross multiply
    6,858x = 14,755.50 × 14,755.50
  4. Step 4: Simplify right side
    6,858x = 217,724,780.25
  5. Step 5: Solve for x
    x = 217,724,780.25/6,858
  6. Step 6: Final answer
    x = 31,747.56

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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.