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Finding the Third Proportional to 823,503.75 and 1,784,467.50

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Solution

The third proportional to 823,503.75 and 1,784,467.50 is: 3,866,799.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,503.75 : 1,784,467.50 = 1,784,467.50 : x
  2. Step 2: Convert to fraction form
    823,503.75/1,784,467.50 = 1,784,467.50/x
  3. Step 3: Cross multiply
    823,503.75x = 1,784,467.50 × 1,784,467.50
  4. Step 4: Simplify right side
    823,503.75x = 3,184,324,258,556.25
  5. Step 5: Solve for x
    x = 3,184,324,258,556.25/823,503.75
  6. Step 6: Final answer
    x = 3,866,799.95

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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.