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Finding the Third Proportional to 3,476,970 and 5,318,790.75

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Solution

The third proportional to 3,476,970 and 5,318,790.75 is: 8,136,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476,970 : 5,318,790.75 = 5,318,790.75 : x
  2. Step 2: Convert to fraction form
    3,476,970/5,318,790.75 = 5,318,790.75/x
  3. Step 3: Cross multiply
    3,476,970x = 5,318,790.75 × 5,318,790.75
  4. Step 4: Simplify right side
    3,476,970x = 28,289,535,042,285.56
  5. Step 5: Solve for x
    x = 28,289,535,042,285.56/3,476,970
  6. Step 6: Final answer
    x = 8,136,260.89

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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.