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Finding the Third Proportional to 21,315,395 and 46,248,682

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Solution

The third proportional to 21,315,395 and 46,248,682 is: 100,347,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,315,395 : 46,248,682 = 46,248,682 : x
  2. Step 2: Convert to fraction form
    21,315,395/46,248,682 = 46,248,682/x
  3. Step 3: Cross multiply
    21,315,395x = 46,248,682 × 46,248,682
  4. Step 4: Simplify right side
    21,315,395x = 2,138,940,586,737,124
  5. Step 5: Solve for x
    x = 2,138,940,586,737,124/21,315,395
  6. Step 6: Final answer
    x = 100,347,217.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.