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Finding the Third Proportional to 20,211,217 and 31,066,419

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Solution

The third proportional to 20,211,217 and 31,066,419 is: 47,751,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,217 : 31,066,419 = 31,066,419 : x
  2. Step 2: Convert to fraction form
    20,211,217/31,066,419 = 31,066,419/x
  3. Step 3: Cross multiply
    20,211,217x = 31,066,419 × 31,066,419
  4. Step 4: Simplify right side
    20,211,217x = 965,122,389,483,561
  5. Step 5: Solve for x
    x = 965,122,389,483,561/20,211,217
  6. Step 6: Final answer
    x = 47,751,819.67

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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.