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Finding the Third Proportional to 6,936 and 10,964

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Solution

The third proportional to 6,936 and 10,964 is: 17,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936 : 10,964 = 10,964 : x
  2. Step 2: Convert to fraction form
    6,936/10,964 = 10,964/x
  3. Step 3: Cross multiply
    6,936x = 10,964 × 10,964
  4. Step 4: Simplify right side
    6,936x = 120,209,296
  5. Step 5: Solve for x
    x = 120,209,296/6,936
  6. Step 6: Final answer
    x = 17,331.21

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.