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Finding the Third Proportional to 20,886,930 and 30,421,467

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Solution

The third proportional to 20,886,930 and 30,421,467 is: 44,308,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,930 : 30,421,467 = 30,421,467 : x
  2. Step 2: Convert to fraction form
    20,886,930/30,421,467 = 30,421,467/x
  3. Step 3: Cross multiply
    20,886,930x = 30,421,467 × 30,421,467
  4. Step 4: Simplify right side
    20,886,930x = 925,465,654,432,089
  5. Step 5: Solve for x
    x = 925,465,654,432,089/20,886,930
  6. Step 6: Final answer
    x = 44,308,361.95

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.