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Finding the Third Proportional to 908 and 2,440

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Solution

The third proportional to 908 and 2,440 is: 6,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    908 : 2,440 = 2,440 : x
  2. Step 2: Convert to fraction form
    908/2,440 = 2,440/x
  3. Step 3: Cross multiply
    908x = 2,440 × 2,440
  4. Step 4: Simplify right side
    908x = 5,953,600
  5. Step 5: Solve for x
    x = 5,953,600/908
  6. Step 6: Final answer
    x = 6,556.83

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.