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Finding the Third Proportional to 18,528,077 and 40,245,687

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Solution

The third proportional to 18,528,077 and 40,245,687 is: 87,419,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,077 : 40,245,687 = 40,245,687 : x
  2. Step 2: Convert to fraction form
    18,528,077/40,245,687 = 40,245,687/x
  3. Step 3: Cross multiply
    18,528,077x = 40,245,687 × 40,245,687
  4. Step 4: Simplify right side
    18,528,077x = 1,619,715,322,101,969
  5. Step 5: Solve for x
    x = 1,619,715,322,101,969/18,528,077
  6. Step 6: Final answer
    x = 87,419,505.12

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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.