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Finding the Third Proportional to 3,370 and 5,603

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Solution

The third proportional to 3,370 and 5,603 is: 9,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370 : 5,603 = 5,603 : x
  2. Step 2: Convert to fraction form
    3,370/5,603 = 5,603/x
  3. Step 3: Cross multiply
    3,370x = 5,603 × 5,603
  4. Step 4: Simplify right side
    3,370x = 31,393,609
  5. Step 5: Solve for x
    x = 31,393,609/3,370
  6. Step 6: Final answer
    x = 9,315.61

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.