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Finding the Third Proportional to 3,485.53 and 8,668.27

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Solution

The third proportional to 3,485.53 and 8,668.27 is: 21,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.53 : 8,668.27 = 8,668.27 : x
  2. Step 2: Convert to fraction form
    3,485.53/8,668.27 = 8,668.27/x
  3. Step 3: Cross multiply
    3,485.53x = 8,668.27 × 8,668.27
  4. Step 4: Simplify right side
    3,485.53x = 75,138,828.95
  5. Step 5: Solve for x
    x = 75,138,828.95/3,485.53
  6. Step 6: Final answer
    x = 21,557.35

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.