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Finding the Third Proportional to 4,017.94 and 8,650.13

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Solution

The third proportional to 4,017.94 and 8,650.13 is: 18,622.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.94 : 8,650.13 = 8,650.13 : x
  2. Step 2: Convert to fraction form
    4,017.94/8,650.13 = 8,650.13/x
  3. Step 3: Cross multiply
    4,017.94x = 8,650.13 × 8,650.13
  4. Step 4: Simplify right side
    4,017.94x = 74,824,662.52
  5. Step 5: Solve for x
    x = 74,824,662.52/4,017.94
  6. Step 6: Final answer
    x = 18,622.65

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.