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Finding the Third Proportional to 18,807,538 and 38,412,062

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Solution

The third proportional to 18,807,538 and 38,412,062 is: 78,451,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807,538 : 38,412,062 = 38,412,062 : x
  2. Step 2: Convert to fraction form
    18,807,538/38,412,062 = 38,412,062/x
  3. Step 3: Cross multiply
    18,807,538x = 38,412,062 × 38,412,062
  4. Step 4: Simplify right side
    18,807,538x = 1,475,486,507,091,844
  5. Step 5: Solve for x
    x = 1,475,486,507,091,844/18,807,538
  6. Step 6: Final answer
    x = 78,451,868.98

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.