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Finding the Third Proportional to 1,939 and 2,926

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Solution

The third proportional to 1,939 and 2,926 is: 4,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939 : 2,926 = 2,926 : x
  2. Step 2: Convert to fraction form
    1,939/2,926 = 2,926/x
  3. Step 3: Cross multiply
    1,939x = 2,926 × 2,926
  4. Step 4: Simplify right side
    1,939x = 8,561,476
  5. Step 5: Solve for x
    x = 8,561,476/1,939
  6. Step 6: Final answer
    x = 4,415.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.