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Finding the Third Proportional to 20,343,939 and 30,515,949

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Solution

The third proportional to 20,343,939 and 30,515,949 is: 45,773,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,939 : 30,515,949 = 30,515,949 : x
  2. Step 2: Convert to fraction form
    20,343,939/30,515,949 = 30,515,949/x
  3. Step 3: Cross multiply
    20,343,939x = 30,515,949 × 30,515,949
  4. Step 4: Simplify right side
    20,343,939x = 931,223,143,370,601
  5. Step 5: Solve for x
    x = 931,223,143,370,601/20,343,939
  6. Step 6: Final answer
    x = 45,773,984.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.