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Finding the Third Proportional to 4,176 and 8,634

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Solution

The third proportional to 4,176 and 8,634 is: 17,851.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176 : 8,634 = 8,634 : x
  2. Step 2: Convert to fraction form
    4,176/8,634 = 8,634/x
  3. Step 3: Cross multiply
    4,176x = 8,634 × 8,634
  4. Step 4: Simplify right side
    4,176x = 74,545,956
  5. Step 5: Solve for x
    x = 74,545,956/4,176
  6. Step 6: Final answer
    x = 17,851.04

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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.