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Finding the Third Proportional to 6,664 and 9,456

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Solution

The third proportional to 6,664 and 9,456 is: 13,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664 : 9,456 = 9,456 : x
  2. Step 2: Convert to fraction form
    6,664/9,456 = 9,456/x
  3. Step 3: Cross multiply
    6,664x = 9,456 × 9,456
  4. Step 4: Simplify right side
    6,664x = 89,415,936
  5. Step 5: Solve for x
    x = 89,415,936/6,664
  6. Step 6: Final answer
    x = 13,417.76

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.