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Finding the Third Proportional to 20,257,478 and 46,855,805

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Solution

The third proportional to 20,257,478 and 46,855,805 is: 108,378,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,478 : 46,855,805 = 46,855,805 : x
  2. Step 2: Convert to fraction form
    20,257,478/46,855,805 = 46,855,805/x
  3. Step 3: Cross multiply
    20,257,478x = 46,855,805 × 46,855,805
  4. Step 4: Simplify right side
    20,257,478x = 2,195,466,462,198,025
  5. Step 5: Solve for x
    x = 2,195,466,462,198,025/20,257,478
  6. Step 6: Final answer
    x = 108,378,074.62

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.