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Finding the Third Proportional to 1,928 and 3,338

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Solution

The third proportional to 1,928 and 3,338 is: 5,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928 : 3,338 = 3,338 : x
  2. Step 2: Convert to fraction form
    1,928/3,338 = 3,338/x
  3. Step 3: Cross multiply
    1,928x = 3,338 × 3,338
  4. Step 4: Simplify right side
    1,928x = 11,142,244
  5. Step 5: Solve for x
    x = 11,142,244/1,928
  6. Step 6: Final answer
    x = 5,779.17

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.