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Finding the Third Proportional to 18,182,620 and 40,400,867

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Solution

The third proportional to 18,182,620 and 40,400,867 is: 89,768,694.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182,620 : 40,400,867 = 40,400,867 : x
  2. Step 2: Convert to fraction form
    18,182,620/40,400,867 = 40,400,867/x
  3. Step 3: Cross multiply
    18,182,620x = 40,400,867 × 40,400,867
  4. Step 4: Simplify right side
    18,182,620x = 1,632,230,054,351,689
  5. Step 5: Solve for x
    x = 1,632,230,054,351,689/18,182,620
  6. Step 6: Final answer
    x = 89,768,694.19

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.