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Finding the Third Proportional to 2,368 and 3,878

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Solution

The third proportional to 2,368 and 3,878 is: 6,350.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368 : 3,878 = 3,878 : x
  2. Step 2: Convert to fraction form
    2,368/3,878 = 3,878/x
  3. Step 3: Cross multiply
    2,368x = 3,878 × 3,878
  4. Step 4: Simplify right side
    2,368x = 15,038,884
  5. Step 5: Solve for x
    x = 15,038,884/2,368
  6. Step 6: Final answer
    x = 6,350.88

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.