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Finding the Third Proportional to 3,184 and 6,860

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Solution

The third proportional to 3,184 and 6,860 is: 14,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184 : 6,860 = 6,860 : x
  2. Step 2: Convert to fraction form
    3,184/6,860 = 6,860/x
  3. Step 3: Cross multiply
    3,184x = 6,860 × 6,860
  4. Step 4: Simplify right side
    3,184x = 47,059,600
  5. Step 5: Solve for x
    x = 47,059,600/3,184
  6. Step 6: Final answer
    x = 14,780.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.