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Finding the Third Proportional to 3,397.22 and 6,890.48

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Solution

The third proportional to 3,397.22 and 6,890.48 is: 13,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.22 : 6,890.48 = 6,890.48 : x
  2. Step 2: Convert to fraction form
    3,397.22/6,890.48 = 6,890.48/x
  3. Step 3: Cross multiply
    3,397.22x = 6,890.48 × 6,890.48
  4. Step 4: Simplify right side
    3,397.22x = 47,478,774.92
  5. Step 5: Solve for x
    x = 47,478,774.92/3,397.22
  6. Step 6: Final answer
    x = 13,975.78

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.