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Finding the Third Proportional to 826.88 and 1,775.25

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Solution

The third proportional to 826.88 and 1,775.25 is: 3,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    826.88 : 1,775.25 = 1,775.25 : x
  2. Step 2: Convert to fraction form
    826.88/1,775.25 = 1,775.25/x
  3. Step 3: Cross multiply
    826.88x = 1,775.25 × 1,775.25
  4. Step 4: Simplify right side
    826.88x = 3,151,512.56
  5. Step 5: Solve for x
    x = 3,151,512.56/826.88
  6. Step 6: Final answer
    x = 3,811.35

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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.