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Finding the Third Proportional to 20,213,200 and 31,100,512

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Solution

The third proportional to 20,213,200 and 31,100,512 is: 47,851,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,200 : 31,100,512 = 31,100,512 : x
  2. Step 2: Convert to fraction form
    20,213,200/31,100,512 = 31,100,512/x
  3. Step 3: Cross multiply
    20,213,200x = 31,100,512 × 31,100,512
  4. Step 4: Simplify right side
    20,213,200x = 967,241,846,662,144
  5. Step 5: Solve for x
    x = 967,241,846,662,144/20,213,200
  6. Step 6: Final answer
    x = 47,851,990.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.