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Finding the Third Proportional to 43,339,811 and 90,266,878

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Solution

The third proportional to 43,339,811 and 90,266,878 is: 188,005,186.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,339,811 : 90,266,878 = 90,266,878 : x
  2. Step 2: Convert to fraction form
    43,339,811/90,266,878 = 90,266,878/x
  3. Step 3: Cross multiply
    43,339,811x = 90,266,878 × 90,266,878
  4. Step 4: Simplify right side
    43,339,811x = 8,148,109,263,866,884
  5. Step 5: Solve for x
    x = 8,148,109,263,866,884/43,339,811
  6. Step 6: Final answer
    x = 188,005,186.82

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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.