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Finding the Third Proportional to 17,815,177 and 38,149,778

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Solution

The third proportional to 17,815,177 and 38,149,778 is: 81,694,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815,177 : 38,149,778 = 38,149,778 : x
  2. Step 2: Convert to fraction form
    17,815,177/38,149,778 = 38,149,778/x
  3. Step 3: Cross multiply
    17,815,177x = 38,149,778 × 38,149,778
  4. Step 4: Simplify right side
    17,815,177x = 1,455,405,561,449,284
  5. Step 5: Solve for x
    x = 1,455,405,561,449,284/17,815,177
  6. Step 6: Final answer
    x = 81,694,701.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.