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Finding the Third Proportional to 11,862,800.44 and 18,988,201.69

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Solution

The third proportional to 11,862,800.44 and 18,988,201.69 is: 30,393,481.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,800.44 : 18,988,201.69 = 18,988,201.69 : x
  2. Step 2: Convert to fraction form
    11,862,800.44/18,988,201.69 = 18,988,201.69/x
  3. Step 3: Cross multiply
    11,862,800.44x = 18,988,201.69 × 18,988,201.69
  4. Step 4: Simplify right side
    11,862,800.44x = 360,551,803,325,177.88
  5. Step 5: Solve for x
    x = 360,551,803,325,177.88/11,862,800.44
  6. Step 6: Final answer
    x = 30,393,481.31

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.