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Finding the Third Proportional to 18,418,242 and 40,104,051

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Solution

The third proportional to 18,418,242 and 40,104,051 is: 87,322,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418,242 : 40,104,051 = 40,104,051 : x
  2. Step 2: Convert to fraction form
    18,418,242/40,104,051 = 40,104,051/x
  3. Step 3: Cross multiply
    18,418,242x = 40,104,051 × 40,104,051
  4. Step 4: Simplify right side
    18,418,242x = 1,608,334,906,610,601
  5. Step 5: Solve for x
    x = 1,608,334,906,610,601/18,418,242
  6. Step 6: Final answer
    x = 87,322,932.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.