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Finding the Third Proportional to 3,323 and 6,990.25

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Solution

The third proportional to 3,323 and 6,990.25 is: 14,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323 : 6,990.25 = 6,990.25 : x
  2. Step 2: Convert to fraction form
    3,323/6,990.25 = 6,990.25/x
  3. Step 3: Cross multiply
    3,323x = 6,990.25 × 6,990.25
  4. Step 4: Simplify right side
    3,323x = 48,863,595.06
  5. Step 5: Solve for x
    x = 48,863,595.06/3,323
  6. Step 6: Final answer
    x = 14,704.66

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.