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Finding the Third Proportional to 929.92 and 1,936.69

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Solution

The third proportional to 929.92 and 1,936.69 is: 4,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    929.92 : 1,936.69 = 1,936.69 : x
  2. Step 2: Convert to fraction form
    929.92/1,936.69 = 1,936.69/x
  3. Step 3: Cross multiply
    929.92x = 1,936.69 × 1,936.69
  4. Step 4: Simplify right side
    929.92x = 3,750,758.47
  5. Step 5: Solve for x
    x = 3,750,758.47/929.92
  6. Step 6: Final answer
    x = 4,033.43

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.