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Finding the Third Proportional to 5,376.50 and 10,969

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Solution

The third proportional to 5,376.50 and 10,969 is: 22,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.50 : 10,969 = 10,969 : x
  2. Step 2: Convert to fraction form
    5,376.50/10,969 = 10,969/x
  3. Step 3: Cross multiply
    5,376.50x = 10,969 × 10,969
  4. Step 4: Simplify right side
    5,376.50x = 120,318,961
  5. Step 5: Solve for x
    x = 120,318,961/5,376.50
  6. Step 6: Final answer
    x = 22,378.68

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.