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Finding the Third Proportional to 3,606 and 8,464

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Solution

The third proportional to 3,606 and 8,464 is: 19,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606 : 8,464 = 8,464 : x
  2. Step 2: Convert to fraction form
    3,606/8,464 = 8,464/x
  3. Step 3: Cross multiply
    3,606x = 8,464 × 8,464
  4. Step 4: Simplify right side
    3,606x = 71,639,296
  5. Step 5: Solve for x
    x = 71,639,296/3,606
  6. Step 6: Final answer
    x = 19,866.69

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.