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Finding the Third Proportional to 21,419,040 and 47,089,605

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Solution

The third proportional to 21,419,040 and 47,089,605 is: 103,526,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,040 : 47,089,605 = 47,089,605 : x
  2. Step 2: Convert to fraction form
    21,419,040/47,089,605 = 47,089,605/x
  3. Step 3: Cross multiply
    21,419,040x = 47,089,605 × 47,089,605
  4. Step 4: Simplify right side
    21,419,040x = 2,217,430,899,056,025
  5. Step 5: Solve for x
    x = 2,217,430,899,056,025/21,419,040
  6. Step 6: Final answer
    x = 103,526,157.06

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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.