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Finding the Third Proportional to 7,883 and 11,825.75

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Solution

The third proportional to 7,883 and 11,825.75 is: 17,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883 : 11,825.75 = 11,825.75 : x
  2. Step 2: Convert to fraction form
    7,883/11,825.75 = 11,825.75/x
  3. Step 3: Cross multiply
    7,883x = 11,825.75 × 11,825.75
  4. Step 4: Simplify right side
    7,883x = 139,848,363.06
  5. Step 5: Solve for x
    x = 139,848,363.06/7,883
  6. Step 6: Final answer
    x = 17,740.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.