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Finding the Third Proportional to 3,218.63 and 6,946.88

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Solution

The third proportional to 3,218.63 and 6,946.88 is: 14,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.63 : 6,946.88 = 6,946.88 : x
  2. Step 2: Convert to fraction form
    3,218.63/6,946.88 = 6,946.88/x
  3. Step 3: Cross multiply
    3,218.63x = 6,946.88 × 6,946.88
  4. Step 4: Simplify right side
    3,218.63x = 48,259,072.27
  5. Step 5: Solve for x
    x = 48,259,072.27/3,218.63
  6. Step 6: Final answer
    x = 14,993.69

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.