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Finding the Third Proportional to 18,182,571 and 40,400,771

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Solution

The third proportional to 18,182,571 and 40,400,771 is: 89,768,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182,571 : 40,400,771 = 40,400,771 : x
  2. Step 2: Convert to fraction form
    18,182,571/40,400,771 = 40,400,771/x
  3. Step 3: Cross multiply
    18,182,571x = 40,400,771 × 40,400,771
  4. Step 4: Simplify right side
    18,182,571x = 1,632,222,297,394,441
  5. Step 5: Solve for x
    x = 1,632,222,297,394,441/18,182,571
  6. Step 6: Final answer
    x = 89,768,509.49

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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.