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Finding the Third Proportional to 7,692.75 and 14,109.75

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Solution

The third proportional to 7,692.75 and 14,109.75 is: 25,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.75 : 14,109.75 = 14,109.75 : x
  2. Step 2: Convert to fraction form
    7,692.75/14,109.75 = 14,109.75/x
  3. Step 3: Cross multiply
    7,692.75x = 14,109.75 × 14,109.75
  4. Step 4: Simplify right side
    7,692.75x = 199,085,045.06
  5. Step 5: Solve for x
    x = 199,085,045.06/7,692.75
  6. Step 6: Final answer
    x = 25,879.57

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Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.