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Finding the Third Proportional to 18,235,131 and 38,910,954

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Solution

The third proportional to 18,235,131 and 38,910,954 is: 83,029,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235,131 : 38,910,954 = 38,910,954 : x
  2. Step 2: Convert to fraction form
    18,235,131/38,910,954 = 38,910,954/x
  3. Step 3: Cross multiply
    18,235,131x = 38,910,954 × 38,910,954
  4. Step 4: Simplify right side
    18,235,131x = 1,514,062,341,190,116
  5. Step 5: Solve for x
    x = 1,514,062,341,190,116/18,235,131
  6. Step 6: Final answer
    x = 83,029,967.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.