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Finding the Third Proportional to 3,603 and 5,265.75

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Solution

The third proportional to 3,603 and 5,265.75 is: 7,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603 : 5,265.75 = 5,265.75 : x
  2. Step 2: Convert to fraction form
    3,603/5,265.75 = 5,265.75/x
  3. Step 3: Cross multiply
    3,603x = 5,265.75 × 5,265.75
  4. Step 4: Simplify right side
    3,603x = 27,728,123.06
  5. Step 5: Solve for x
    x = 27,728,123.06/3,603
  6. Step 6: Final answer
    x = 7,695.84

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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.