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Finding the Third Proportional to 1,818,978 and 3,031,446.75

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Solution

The third proportional to 1,818,978 and 3,031,446.75 is: 5,052,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,978 : 3,031,446.75 = 3,031,446.75 : x
  2. Step 2: Convert to fraction form
    1,818,978/3,031,446.75 = 3,031,446.75/x
  3. Step 3: Cross multiply
    1,818,978x = 3,031,446.75 × 3,031,446.75
  4. Step 4: Simplify right side
    1,818,978x = 9,189,669,398,085.56
  5. Step 5: Solve for x
    x = 9,189,669,398,085.56/1,818,978
  6. Step 6: Final answer
    x = 5,052,105.85

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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.