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Finding the Third Proportional to 18,921,474 and 41,505,444

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Solution

The third proportional to 18,921,474 and 41,505,444 is: 91,044,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,921,474 : 41,505,444 = 41,505,444 : x
  2. Step 2: Convert to fraction form
    18,921,474/41,505,444 = 41,505,444/x
  3. Step 3: Cross multiply
    18,921,474x = 41,505,444 × 41,505,444
  4. Step 4: Simplify right side
    18,921,474x = 1,722,701,881,637,136
  5. Step 5: Solve for x
    x = 1,722,701,881,637,136/18,921,474
  6. Step 6: Final answer
    x = 91,044,803.47

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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.