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Finding the Third Proportional to 18,966,111.75 and 41,120,845.88

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Solution

The third proportional to 18,966,111.75 and 41,120,845.88 is: 89,155,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966,111.75 : 41,120,845.88 = 41,120,845.88 : x
  2. Step 2: Convert to fraction form
    18,966,111.75/41,120,845.88 = 41,120,845.88/x
  3. Step 3: Cross multiply
    18,966,111.75x = 41,120,845.88 × 41,120,845.88
  4. Step 4: Simplify right side
    18,966,111.75x = 1,690,923,965,475,504.50
  5. Step 5: Solve for x
    x = 1,690,923,965,475,504.50/18,966,111.75
  6. Step 6: Final answer
    x = 89,155,014.36

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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.