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Finding the Third Proportional to 9,428.94 and 19,632.97

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Solution

The third proportional to 9,428.94 and 19,632.97 is: 40,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.94 : 19,632.97 = 19,632.97 : x
  2. Step 2: Convert to fraction form
    9,428.94/19,632.97 = 19,632.97/x
  3. Step 3: Cross multiply
    9,428.94x = 19,632.97 × 19,632.97
  4. Step 4: Simplify right side
    9,428.94x = 385,453,461.94
  5. Step 5: Solve for x
    x = 385,453,461.94/9,428.94
  6. Step 6: Final answer
    x = 40,879.84

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.