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Finding the Third Proportional to 3,166 and 6,890

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Solution

The third proportional to 3,166 and 6,890 is: 14,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166 : 6,890 = 6,890 : x
  2. Step 2: Convert to fraction form
    3,166/6,890 = 6,890/x
  3. Step 3: Cross multiply
    3,166x = 6,890 × 6,890
  4. Step 4: Simplify right side
    3,166x = 47,472,100
  5. Step 5: Solve for x
    x = 47,472,100/3,166
  6. Step 6: Final answer
    x = 14,994.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.