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Finding the Third Proportional to 8,743.94 and 18,734.38

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Solution

The third proportional to 8,743.94 and 18,734.38 is: 40,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.94 : 18,734.38 = 18,734.38 : x
  2. Step 2: Convert to fraction form
    8,743.94/18,734.38 = 18,734.38/x
  3. Step 3: Cross multiply
    8,743.94x = 18,734.38 × 18,734.38
  4. Step 4: Simplify right side
    8,743.94x = 350,976,806.64
  5. Step 5: Solve for x
    x = 350,976,806.64/8,743.94
  6. Step 6: Final answer
    x = 40,139.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.