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Finding the Third Proportional to 21,419,111 and 47,089,741

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Solution

The third proportional to 21,419,111 and 47,089,741 is: 103,526,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,111 : 47,089,741 = 47,089,741 : x
  2. Step 2: Convert to fraction form
    21,419,111/47,089,741 = 47,089,741/x
  3. Step 3: Cross multiply
    21,419,111x = 47,089,741 × 47,089,741
  4. Step 4: Simplify right side
    21,419,111x = 2,217,443,707,447,081
  5. Step 5: Solve for x
    x = 2,217,443,707,447,081/21,419,111
  6. Step 6: Final answer
    x = 103,526,411.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.