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Finding the Third Proportional to 21,388,911 and 44,540,370

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Solution

The third proportional to 21,388,911 and 44,540,370 is: 92,751,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,388,911 : 44,540,370 = 44,540,370 : x
  2. Step 2: Convert to fraction form
    21,388,911/44,540,370 = 44,540,370/x
  3. Step 3: Cross multiply
    21,388,911x = 44,540,370 × 44,540,370
  4. Step 4: Simplify right side
    21,388,911x = 1,983,844,559,736,900
  5. Step 5: Solve for x
    x = 1,983,844,559,736,900/21,388,911
  6. Step 6: Final answer
    x = 92,751,078.34

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.