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Finding the Third Proportional to 18,334,738 and 38,855,446

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Solution

The third proportional to 18,334,738 and 38,855,446 is: 82,343,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334,738 : 38,855,446 = 38,855,446 : x
  2. Step 2: Convert to fraction form
    18,334,738/38,855,446 = 38,855,446/x
  3. Step 3: Cross multiply
    18,334,738x = 38,855,446 × 38,855,446
  4. Step 4: Simplify right side
    18,334,738x = 1,509,745,683,858,916
  5. Step 5: Solve for x
    x = 1,509,745,683,858,916/18,334,738
  6. Step 6: Final answer
    x = 82,343,455.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.