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Finding the Third Proportional to 1,823.03 and 3,999.16

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Solution

The third proportional to 1,823.03 and 3,999.16 is: 8,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.03 : 3,999.16 = 3,999.16 : x
  2. Step 2: Convert to fraction form
    1,823.03/3,999.16 = 3,999.16/x
  3. Step 3: Cross multiply
    1,823.03x = 3,999.16 × 3,999.16
  4. Step 4: Simplify right side
    1,823.03x = 15,993,313.20
  5. Step 5: Solve for x
    x = 15,993,313.20/1,823.03
  6. Step 6: Final answer
    x = 8,772.94

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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.