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Finding the Third Proportional to 19,964,232 and 40,872,519

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Solution

The third proportional to 19,964,232 and 40,872,519 is: 83,677,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964,232 : 40,872,519 = 40,872,519 : x
  2. Step 2: Convert to fraction form
    19,964,232/40,872,519 = 40,872,519/x
  3. Step 3: Cross multiply
    19,964,232x = 40,872,519 × 40,872,519
  4. Step 4: Simplify right side
    19,964,232x = 1,670,562,809,405,361
  5. Step 5: Solve for x
    x = 1,670,562,809,405,361/19,964,232
  6. Step 6: Final answer
    x = 83,677,789.83

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.