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Finding the Third Proportional to 18,268,278 and 38,047,882

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Solution

The third proportional to 18,268,278 and 38,047,882 is: 79,243,447.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268,278 : 38,047,882 = 38,047,882 : x
  2. Step 2: Convert to fraction form
    18,268,278/38,047,882 = 38,047,882/x
  3. Step 3: Cross multiply
    18,268,278x = 38,047,882 × 38,047,882
  4. Step 4: Simplify right side
    18,268,278x = 1,447,641,324,685,924
  5. Step 5: Solve for x
    x = 1,447,641,324,685,924/18,268,278
  6. Step 6: Final answer
    x = 79,243,447.29

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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.