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Finding the Third Proportional to 1,338.94 and 2,906.25

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Solution

The third proportional to 1,338.94 and 2,906.25 is: 6,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.94 : 2,906.25 = 2,906.25 : x
  2. Step 2: Convert to fraction form
    1,338.94/2,906.25 = 2,906.25/x
  3. Step 3: Cross multiply
    1,338.94x = 2,906.25 × 2,906.25
  4. Step 4: Simplify right side
    1,338.94x = 8,446,289.06
  5. Step 5: Solve for x
    x = 8,446,289.06/1,338.94
  6. Step 6: Final answer
    x = 6,308.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.