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Finding the Third Proportional to 18,528,057 and 40,245,647

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Solution

The third proportional to 18,528,057 and 40,245,647 is: 87,419,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,057 : 40,245,647 = 40,245,647 : x
  2. Step 2: Convert to fraction form
    18,528,057/40,245,647 = 40,245,647/x
  3. Step 3: Cross multiply
    18,528,057x = 40,245,647 × 40,245,647
  4. Step 4: Simplify right side
    18,528,057x = 1,619,712,102,448,609
  5. Step 5: Solve for x
    x = 1,619,712,102,448,609/18,528,057
  6. Step 6: Final answer
    x = 87,419,425.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.