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Finding the Third Proportional to 19,872,788 and 40,476,392

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Solution

The third proportional to 19,872,788 and 40,476,392 is: 82,441,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,788 : 40,476,392 = 40,476,392 : x
  2. Step 2: Convert to fraction form
    19,872,788/40,476,392 = 40,476,392/x
  3. Step 3: Cross multiply
    19,872,788x = 40,476,392 × 40,476,392
  4. Step 4: Simplify right side
    19,872,788x = 1,638,338,309,337,664
  5. Step 5: Solve for x
    x = 1,638,338,309,337,664/19,872,788
  6. Step 6: Final answer
    x = 82,441,291.55

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.