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Finding the Third Proportional to 702,611 and 1,511,787

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Solution

The third proportional to 702,611 and 1,511,787 is: 3,252,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,611 : 1,511,787 = 1,511,787 : x
  2. Step 2: Convert to fraction form
    702,611/1,511,787 = 1,511,787/x
  3. Step 3: Cross multiply
    702,611x = 1,511,787 × 1,511,787
  4. Step 4: Simplify right side
    702,611x = 2,285,499,933,369
  5. Step 5: Solve for x
    x = 2,285,499,933,369/702,611
  6. Step 6: Final answer
    x = 3,252,866.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.