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Finding the Third Proportional to 5,879 and 7,837.50

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Solution

The third proportional to 5,879 and 7,837.50 is: 10,448.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879 : 7,837.50 = 7,837.50 : x
  2. Step 2: Convert to fraction form
    5,879/7,837.50 = 7,837.50/x
  3. Step 3: Cross multiply
    5,879x = 7,837.50 × 7,837.50
  4. Step 4: Simplify right side
    5,879x = 61,426,406.25
  5. Step 5: Solve for x
    x = 61,426,406.25/5,879
  6. Step 6: Final answer
    x = 10,448.44

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.