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Finding the Third Proportional to 5,180 and 6,964

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Solution

The third proportional to 5,180 and 6,964 is: 9,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180 : 6,964 = 6,964 : x
  2. Step 2: Convert to fraction form
    5,180/6,964 = 6,964/x
  3. Step 3: Cross multiply
    5,180x = 6,964 × 6,964
  4. Step 4: Simplify right side
    5,180x = 48,497,296
  5. Step 5: Solve for x
    x = 48,497,296/5,180
  6. Step 6: Final answer
    x = 9,362.41

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.