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Finding the Third Proportional to 20,979,032 and 32,400,212

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Solution

The third proportional to 20,979,032 and 32,400,212 is: 50,039,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,032 : 32,400,212 = 32,400,212 : x
  2. Step 2: Convert to fraction form
    20,979,032/32,400,212 = 32,400,212/x
  3. Step 3: Cross multiply
    20,979,032x = 32,400,212 × 32,400,212
  4. Step 4: Simplify right side
    20,979,032x = 1,049,773,737,644,944
  5. Step 5: Solve for x
    x = 1,049,773,737,644,944/20,979,032
  6. Step 6: Final answer
    x = 50,039,188.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.