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Finding the Third Proportional to 69,036,189 and 107,191,845

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Solution

The third proportional to 69,036,189 and 107,191,845 is: 166,435,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036,189 : 107,191,845 = 107,191,845 : x
  2. Step 2: Convert to fraction form
    69,036,189/107,191,845 = 107,191,845/x
  3. Step 3: Cross multiply
    69,036,189x = 107,191,845 × 107,191,845
  4. Step 4: Simplify right side
    69,036,189x = 11,490,091,634,504,024
  5. Step 5: Solve for x
    x = 11,490,091,634,504,024/69,036,189
  6. Step 6: Final answer
    x = 166,435,775.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.