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Finding the Third Proportional to 4,176 and 8,664

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Solution

The third proportional to 4,176 and 8,664 is: 17,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176 : 8,664 = 8,664 : x
  2. Step 2: Convert to fraction form
    4,176/8,664 = 8,664/x
  3. Step 3: Cross multiply
    4,176x = 8,664 × 8,664
  4. Step 4: Simplify right side
    4,176x = 75,064,896
  5. Step 5: Solve for x
    x = 75,064,896/4,176
  6. Step 6: Final answer
    x = 17,975.31

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.