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Finding the Third Proportional to 20,165,520 and 30,995,860

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Solution

The third proportional to 20,165,520 and 30,995,860 is: 47,642,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,520 : 30,995,860 = 30,995,860 : x
  2. Step 2: Convert to fraction form
    20,165,520/30,995,860 = 30,995,860/x
  3. Step 3: Cross multiply
    20,165,520x = 30,995,860 × 30,995,860
  4. Step 4: Simplify right side
    20,165,520x = 960,743,337,139,600
  5. Step 5: Solve for x
    x = 960,743,337,139,600/20,165,520
  6. Step 6: Final answer
    x = 47,642,874.43

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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.