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Finding the Third Proportional to 21,106,780 and 33,448,782

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Solution

The third proportional to 21,106,780 and 33,448,782 is: 53,007,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,106,780 : 33,448,782 = 33,448,782 : x
  2. Step 2: Convert to fraction form
    21,106,780/33,448,782 = 33,448,782/x
  3. Step 3: Cross multiply
    21,106,780x = 33,448,782 × 33,448,782
  4. Step 4: Simplify right side
    21,106,780x = 1,118,821,017,283,524
  5. Step 5: Solve for x
    x = 1,118,821,017,283,524/21,106,780
  6. Step 6: Final answer
    x = 53,007,659.97

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.