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Finding the Third Proportional to 3,604 and 5,275

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Solution

The third proportional to 3,604 and 5,275 is: 7,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604 : 5,275 = 5,275 : x
  2. Step 2: Convert to fraction form
    3,604/5,275 = 5,275/x
  3. Step 3: Cross multiply
    3,604x = 5,275 × 5,275
  4. Step 4: Simplify right side
    3,604x = 27,825,625
  5. Step 5: Solve for x
    x = 27,825,625/3,604
  6. Step 6: Final answer
    x = 7,720.76

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.