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Finding the Third Proportional to 6,940.69 and 12,347.44

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Solution

The third proportional to 6,940.69 and 12,347.44 is: 21,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.69 : 12,347.44 = 12,347.44 : x
  2. Step 2: Convert to fraction form
    6,940.69/12,347.44 = 12,347.44/x
  3. Step 3: Cross multiply
    6,940.69x = 12,347.44 × 12,347.44
  4. Step 4: Simplify right side
    6,940.69x = 152,459,212.82
  5. Step 5: Solve for x
    x = 152,459,212.82/6,940.69
  6. Step 6: Final answer
    x = 21,966.01

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.