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Finding the Third Proportional to 20,500,778 and 28,836,927

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Solution

The third proportional to 20,500,778 and 28,836,927 is: 40,562,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,778 : 28,836,927 = 28,836,927 : x
  2. Step 2: Convert to fraction form
    20,500,778/28,836,927 = 28,836,927/x
  3. Step 3: Cross multiply
    20,500,778x = 28,836,927 × 28,836,927
  4. Step 4: Simplify right side
    20,500,778x = 831,568,358,803,329
  5. Step 5: Solve for x
    x = 831,568,358,803,329/20,500,778
  6. Step 6: Final answer
    x = 40,562,770.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.