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Finding the Third Proportional to 9,293,257 and 20,131,039

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Solution

The third proportional to 9,293,257 and 20,131,039 is: 43,607,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293,257 : 20,131,039 = 20,131,039 : x
  2. Step 2: Convert to fraction form
    9,293,257/20,131,039 = 20,131,039/x
  3. Step 3: Cross multiply
    9,293,257x = 20,131,039 × 20,131,039
  4. Step 4: Simplify right side
    9,293,257x = 405,258,731,219,521
  5. Step 5: Solve for x
    x = 405,258,731,219,521/9,293,257
  6. Step 6: Final answer
    x = 43,607,825.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.