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Finding the Third Proportional to 4,200.50 and 9,199

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Solution

The third proportional to 4,200.50 and 9,199 is: 20,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.50 : 9,199 = 9,199 : x
  2. Step 2: Convert to fraction form
    4,200.50/9,199 = 9,199/x
  3. Step 3: Cross multiply
    4,200.50x = 9,199 × 9,199
  4. Step 4: Simplify right side
    4,200.50x = 84,621,601
  5. Step 5: Solve for x
    x = 84,621,601/4,200.50
  6. Step 6: Final answer
    x = 20,145.60

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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.