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Finding the Third Proportional to 20,909,858 and 45,023,524

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Solution

The third proportional to 20,909,858 and 45,023,524 is: 96,945,551.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,909,858 : 45,023,524 = 45,023,524 : x
  2. Step 2: Convert to fraction form
    20,909,858/45,023,524 = 45,023,524/x
  3. Step 3: Cross multiply
    20,909,858x = 45,023,524 × 45,023,524
  4. Step 4: Simplify right side
    20,909,858x = 2,027,117,713,378,576
  5. Step 5: Solve for x
    x = 2,027,117,713,378,576/20,909,858
  6. Step 6: Final answer
    x = 96,945,551.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.