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Finding the Third Proportional to 1,725 and 3,603

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Solution

The third proportional to 1,725 and 3,603 is: 7,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725 : 3,603 = 3,603 : x
  2. Step 2: Convert to fraction form
    1,725/3,603 = 3,603/x
  3. Step 3: Cross multiply
    1,725x = 3,603 × 3,603
  4. Step 4: Simplify right side
    1,725x = 12,981,609
  5. Step 5: Solve for x
    x = 12,981,609/1,725
  6. Step 6: Final answer
    x = 7,525.57

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.