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Finding the Third Proportional to 635,873 and 1,382,189.50

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Solution

The third proportional to 635,873 and 1,382,189.50 is: 3,004,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,873 : 1,382,189.50 = 1,382,189.50 : x
  2. Step 2: Convert to fraction form
    635,873/1,382,189.50 = 1,382,189.50/x
  3. Step 3: Cross multiply
    635,873x = 1,382,189.50 × 1,382,189.50
  4. Step 4: Simplify right side
    635,873x = 1,910,447,813,910.25
  5. Step 5: Solve for x
    x = 1,910,447,813,910.25/635,873
  6. Step 6: Final answer
    x = 3,004,448.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.