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Finding the Third Proportional to 4,238 and 6,951

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Solution

The third proportional to 4,238 and 6,951 is: 11,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238 : 6,951 = 6,951 : x
  2. Step 2: Convert to fraction form
    4,238/6,951 = 6,951/x
  3. Step 3: Cross multiply
    4,238x = 6,951 × 6,951
  4. Step 4: Simplify right side
    4,238x = 48,316,401
  5. Step 5: Solve for x
    x = 48,316,401/4,238
  6. Step 6: Final answer
    x = 11,400.76

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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.