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Finding the Third Proportional to 8,743.22 and 18,868.22

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Solution

The third proportional to 8,743.22 and 18,868.22 is: 40,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.22 : 18,868.22 = 18,868.22 : x
  2. Step 2: Convert to fraction form
    8,743.22/18,868.22 = 18,868.22/x
  3. Step 3: Cross multiply
    8,743.22x = 18,868.22 × 18,868.22
  4. Step 4: Simplify right side
    8,743.22x = 356,009,678.80
  5. Step 5: Solve for x
    x = 356,009,678.80/8,743.22
  6. Step 6: Final answer
    x = 40,718.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.