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Finding the Third Proportional to 18,819,436.69 and 28,770,041.25

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Solution

The third proportional to 18,819,436.69 and 28,770,041.25 is: 43,981,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819,436.69 : 28,770,041.25 = 28,770,041.25 : x
  2. Step 2: Convert to fraction form
    18,819,436.69/28,770,041.25 = 28,770,041.25/x
  3. Step 3: Cross multiply
    18,819,436.69x = 28,770,041.25 × 28,770,041.25
  4. Step 4: Simplify right side
    18,819,436.69x = 827,715,273,526,701.50
  5. Step 5: Solve for x
    x = 827,715,273,526,701.50/18,819,436.69
  6. Step 6: Final answer
    x = 43,981,936.72

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.