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Finding the Third Proportional to 855,914 and 1,807,309

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Solution

The third proportional to 855,914 and 1,807,309 is: 3,816,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,914 : 1,807,309 = 1,807,309 : x
  2. Step 2: Convert to fraction form
    855,914/1,807,309 = 1,807,309/x
  3. Step 3: Cross multiply
    855,914x = 1,807,309 × 1,807,309
  4. Step 4: Simplify right side
    855,914x = 3,266,365,821,481
  5. Step 5: Solve for x
    x = 3,266,365,821,481/855,914
  6. Step 6: Final answer
    x = 3,816,231.33

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.