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Finding the Third Proportional to 1,999 and 4,443.50

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Solution

The third proportional to 1,999 and 4,443.50 is: 9,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999 : 4,443.50 = 4,443.50 : x
  2. Step 2: Convert to fraction form
    1,999/4,443.50 = 4,443.50/x
  3. Step 3: Cross multiply
    1,999x = 4,443.50 × 4,443.50
  4. Step 4: Simplify right side
    1,999x = 19,744,692.25
  5. Step 5: Solve for x
    x = 19,744,692.25/1,999
  6. Step 6: Final answer
    x = 9,877.28

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.