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Finding the Third Proportional to 1,768 and 3,696

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Solution

The third proportional to 1,768 and 3,696 is: 7,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768 : 3,696 = 3,696 : x
  2. Step 2: Convert to fraction form
    1,768/3,696 = 3,696/x
  3. Step 3: Cross multiply
    1,768x = 3,696 × 3,696
  4. Step 4: Simplify right side
    1,768x = 13,660,416
  5. Step 5: Solve for x
    x = 13,660,416/1,768
  6. Step 6: Final answer
    x = 7,726.48

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.