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Finding the Third Proportional to 375,165 and 821,481.75

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Solution

The third proportional to 375,165 and 821,481.75 is: 1,798,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,165 : 821,481.75 = 821,481.75 : x
  2. Step 2: Convert to fraction form
    375,165/821,481.75 = 821,481.75/x
  3. Step 3: Cross multiply
    375,165x = 821,481.75 × 821,481.75
  4. Step 4: Simplify right side
    375,165x = 674,832,265,583.06
  5. Step 5: Solve for x
    x = 674,832,265,583.06/375,165
  6. Step 6: Final answer
    x = 1,798,761.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.