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Finding the Third Proportional to 1,400 and 3,368

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Solution

The third proportional to 1,400 and 3,368 is: 8,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400 : 3,368 = 3,368 : x
  2. Step 2: Convert to fraction form
    1,400/3,368 = 3,368/x
  3. Step 3: Cross multiply
    1,400x = 3,368 × 3,368
  4. Step 4: Simplify right side
    1,400x = 11,343,424
  5. Step 5: Solve for x
    x = 11,343,424/1,400
  6. Step 6: Final answer
    x = 8,102.45

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.