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Finding the Third Proportional to 20,641,449 and 28,873,425

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Solution

The third proportional to 20,641,449 and 28,873,425 is: 40,388,379.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641,449 : 28,873,425 = 28,873,425 : x
  2. Step 2: Convert to fraction form
    20,641,449/28,873,425 = 28,873,425/x
  3. Step 3: Cross multiply
    20,641,449x = 28,873,425 × 28,873,425
  4. Step 4: Simplify right side
    20,641,449x = 833,674,671,230,625
  5. Step 5: Solve for x
    x = 833,674,671,230,625/20,641,449
  6. Step 6: Final answer
    x = 40,388,379.29

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.