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Finding the Third Proportional to 18,257,412 and 38,551,974

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Solution

The third proportional to 18,257,412 and 38,551,974 is: 81,405,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257,412 : 38,551,974 = 38,551,974 : x
  2. Step 2: Convert to fraction form
    18,257,412/38,551,974 = 38,551,974/x
  3. Step 3: Cross multiply
    18,257,412x = 38,551,974 × 38,551,974
  4. Step 4: Simplify right side
    18,257,412x = 1,486,254,699,296,676
  5. Step 5: Solve for x
    x = 1,486,254,699,296,676/18,257,412
  6. Step 6: Final answer
    x = 81,405,551.85

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.