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Finding the Third Proportional to 18,767,778 and 41,122,770

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Solution

The third proportional to 18,767,778 and 41,122,770 is: 90,105,616.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767,778 : 41,122,770 = 41,122,770 : x
  2. Step 2: Convert to fraction form
    18,767,778/41,122,770 = 41,122,770/x
  3. Step 3: Cross multiply
    18,767,778x = 41,122,770 × 41,122,770
  4. Step 4: Simplify right side
    18,767,778x = 1,691,082,212,472,900
  5. Step 5: Solve for x
    x = 1,691,082,212,472,900/18,767,778
  6. Step 6: Final answer
    x = 90,105,616.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.