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Finding the Third Proportional to 18,889,850 and 40,049,752

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Solution

The third proportional to 18,889,850 and 40,049,752 is: 84,912,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889,850 : 40,049,752 = 40,049,752 : x
  2. Step 2: Convert to fraction form
    18,889,850/40,049,752 = 40,049,752/x
  3. Step 3: Cross multiply
    18,889,850x = 40,049,752 × 40,049,752
  4. Step 4: Simplify right side
    18,889,850x = 1,603,982,635,261,504
  5. Step 5: Solve for x
    x = 1,603,982,635,261,504/18,889,850
  6. Step 6: Final answer
    x = 84,912,407.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.