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Finding the Third Proportional to 5,868 and 12,888

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Solution

The third proportional to 5,868 and 12,888 is: 28,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868 : 12,888 = 12,888 : x
  2. Step 2: Convert to fraction form
    5,868/12,888 = 12,888/x
  3. Step 3: Cross multiply
    5,868x = 12,888 × 12,888
  4. Step 4: Simplify right side
    5,868x = 166,100,544
  5. Step 5: Solve for x
    x = 166,100,544/5,868
  6. Step 6: Final answer
    x = 28,306.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.