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Finding the Third Proportional to 4,668.38 and 10,121.63

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Solution

The third proportional to 4,668.38 and 10,121.63 is: 21,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.38 : 10,121.63 = 10,121.63 : x
  2. Step 2: Convert to fraction form
    4,668.38/10,121.63 = 10,121.63/x
  3. Step 3: Cross multiply
    4,668.38x = 10,121.63 × 10,121.63
  4. Step 4: Simplify right side
    4,668.38x = 102,447,292.64
  5. Step 5: Solve for x
    x = 102,447,292.64/4,668.38
  6. Step 6: Final answer
    x = 21,944.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.