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Finding the Third Proportional to 2,275 and 3,525

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Solution

The third proportional to 2,275 and 3,525 is: 5,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275 : 3,525 = 3,525 : x
  2. Step 2: Convert to fraction form
    2,275/3,525 = 3,525/x
  3. Step 3: Cross multiply
    2,275x = 3,525 × 3,525
  4. Step 4: Simplify right side
    2,275x = 12,425,625
  5. Step 5: Solve for x
    x = 12,425,625/2,275
  6. Step 6: Final answer
    x = 5,461.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.