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Finding the Third Proportional to 18,836,766 and 28,393,173

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Solution

The third proportional to 18,836,766 and 28,393,173 is: 42,797,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836,766 : 28,393,173 = 28,393,173 : x
  2. Step 2: Convert to fraction form
    18,836,766/28,393,173 = 28,393,173/x
  3. Step 3: Cross multiply
    18,836,766x = 28,393,173 × 28,393,173
  4. Step 4: Simplify right side
    18,836,766x = 806,172,273,007,929
  5. Step 5: Solve for x
    x = 806,172,273,007,929/18,836,766
  6. Step 6: Final answer
    x = 42,797,806.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.