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Finding the Third Proportional to 7,583 and 11,739

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Solution

The third proportional to 7,583 and 11,739 is: 18,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583 : 11,739 = 11,739 : x
  2. Step 2: Convert to fraction form
    7,583/11,739 = 11,739/x
  3. Step 3: Cross multiply
    7,583x = 11,739 × 11,739
  4. Step 4: Simplify right side
    7,583x = 137,804,121
  5. Step 5: Solve for x
    x = 137,804,121/7,583
  6. Step 6: Final answer
    x = 18,172.77

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.