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Finding the Third Proportional to 20,222,840 and 43,280,032

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Solution

The third proportional to 20,222,840 and 43,280,032 is: 92,626,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,840 : 43,280,032 = 43,280,032 : x
  2. Step 2: Convert to fraction form
    20,222,840/43,280,032 = 43,280,032/x
  3. Step 3: Cross multiply
    20,222,840x = 43,280,032 × 43,280,032
  4. Step 4: Simplify right side
    20,222,840x = 1,873,161,169,921,024
  5. Step 5: Solve for x
    x = 1,873,161,169,921,024/20,222,840
  6. Step 6: Final answer
    x = 92,626,019.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.