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Finding the Third Proportional to 3,807 and 8,329.50

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Solution

The third proportional to 3,807 and 8,329.50 is: 18,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807 : 8,329.50 = 8,329.50 : x
  2. Step 2: Convert to fraction form
    3,807/8,329.50 = 8,329.50/x
  3. Step 3: Cross multiply
    3,807x = 8,329.50 × 8,329.50
  4. Step 4: Simplify right side
    3,807x = 69,380,570.25
  5. Step 5: Solve for x
    x = 69,380,570.25/3,807
  6. Step 6: Final answer
    x = 18,224.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.