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Finding the Third Proportional to 12,213,793.88 and 18,607,236.19

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Solution

The third proportional to 12,213,793.88 and 18,607,236.19 is: 28,347,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,213,793.88 : 18,607,236.19 = 18,607,236.19 : x
  2. Step 2: Convert to fraction form
    12,213,793.88/18,607,236.19 = 18,607,236.19/x
  3. Step 3: Cross multiply
    12,213,793.88x = 18,607,236.19 × 18,607,236.19
  4. Step 4: Simplify right side
    12,213,793.88x = 346,229,238,537,409.56
  5. Step 5: Solve for x
    x = 346,229,238,537,409.56/12,213,793.88
  6. Step 6: Final answer
    x = 28,347,394.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.