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Finding the Third Proportional to 21,419,142 and 47,089,806

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Solution

The third proportional to 21,419,142 and 47,089,806 is: 103,526,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,142 : 47,089,806 = 47,089,806 : x
  2. Step 2: Convert to fraction form
    21,419,142/47,089,806 = 47,089,806/x
  3. Step 3: Cross multiply
    21,419,142x = 47,089,806 × 47,089,806
  4. Step 4: Simplify right side
    21,419,142x = 2,217,449,829,117,636
  5. Step 5: Solve for x
    x = 2,217,449,829,117,636/21,419,142
  6. Step 6: Final answer
    x = 103,526,547.85

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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.