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Finding the Third Proportional to 19,380,816 and 28,229,958

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Solution

The third proportional to 19,380,816 and 28,229,958 is: 41,119,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380,816 : 28,229,958 = 28,229,958 : x
  2. Step 2: Convert to fraction form
    19,380,816/28,229,958 = 28,229,958/x
  3. Step 3: Cross multiply
    19,380,816x = 28,229,958 × 28,229,958
  4. Step 4: Simplify right side
    19,380,816x = 796,930,528,681,764
  5. Step 5: Solve for x
    x = 796,930,528,681,764/19,380,816
  6. Step 6: Final answer
    x = 41,119,554.96

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.