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Finding the Third Proportional to 2,620 and 3,725

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Solution

The third proportional to 2,620 and 3,725 is: 5,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620 : 3,725 = 3,725 : x
  2. Step 2: Convert to fraction form
    2,620/3,725 = 3,725/x
  3. Step 3: Cross multiply
    2,620x = 3,725 × 3,725
  4. Step 4: Simplify right side
    2,620x = 13,875,625
  5. Step 5: Solve for x
    x = 13,875,625/2,620
  6. Step 6: Final answer
    x = 5,296.04

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.