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Finding the Third Proportional to 20,211,221 and 31,066,425

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Solution

The third proportional to 20,211,221 and 31,066,425 is: 47,751,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,221 : 31,066,425 = 31,066,425 : x
  2. Step 2: Convert to fraction form
    20,211,221/31,066,425 = 31,066,425/x
  3. Step 3: Cross multiply
    20,211,221x = 31,066,425 × 31,066,425
  4. Step 4: Simplify right side
    20,211,221x = 965,122,762,280,625
  5. Step 5: Solve for x
    x = 965,122,762,280,625/20,211,221
  6. Step 6: Final answer
    x = 47,751,828.66

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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.