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Finding the Third Proportional to 19,289,942 and 41,608,558.38

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Solution

The third proportional to 19,289,942 and 41,608,558.38 is: 89,749,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289,942 : 41,608,558.38 = 41,608,558.38 : x
  2. Step 2: Convert to fraction form
    19,289,942/41,608,558.38 = 41,608,558.38/x
  3. Step 3: Cross multiply
    19,289,942x = 41,608,558.38 × 41,608,558.38
  4. Step 4: Simplify right side
    19,289,942x = 1,731,272,130,045,782.75
  5. Step 5: Solve for x
    x = 1,731,272,130,045,782.75/19,289,942
  6. Step 6: Final answer
    x = 89,749,991.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.