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Finding the Third Proportional to 18,131,386 and 37,325,616

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Solution

The third proportional to 18,131,386 and 37,325,616 is: 76,839,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,386 : 37,325,616 = 37,325,616 : x
  2. Step 2: Convert to fraction form
    18,131,386/37,325,616 = 37,325,616/x
  3. Step 3: Cross multiply
    18,131,386x = 37,325,616 × 37,325,616
  4. Step 4: Simplify right side
    18,131,386x = 1,393,201,609,779,456
  5. Step 5: Solve for x
    x = 1,393,201,609,779,456/18,131,386
  6. Step 6: Final answer
    x = 76,839,222.87

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.