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Finding the Third Proportional to 5,938 and 8,890

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Solution

The third proportional to 5,938 and 8,890 is: 13,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938 : 8,890 = 8,890 : x
  2. Step 2: Convert to fraction form
    5,938/8,890 = 8,890/x
  3. Step 3: Cross multiply
    5,938x = 8,890 × 8,890
  4. Step 4: Simplify right side
    5,938x = 79,032,100
  5. Step 5: Solve for x
    x = 79,032,100/5,938
  6. Step 6: Final answer
    x = 13,309.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.