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Finding the Third Proportional to 9,392.63 and 20,415.38

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Solution

The third proportional to 9,392.63 and 20,415.38 is: 44,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.63 : 20,415.38 = 20,415.38 : x
  2. Step 2: Convert to fraction form
    9,392.63/20,415.38 = 20,415.38/x
  3. Step 3: Cross multiply
    9,392.63x = 20,415.38 × 20,415.38
  4. Step 4: Simplify right side
    9,392.63x = 416,787,536.39
  5. Step 5: Solve for x
    x = 416,787,536.39/9,392.63
  6. Step 6: Final answer
    x = 44,373.91

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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.