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Finding the Third Proportional to 2,331 and 3,260

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Solution

The third proportional to 2,331 and 3,260 is: 4,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331 : 3,260 = 3,260 : x
  2. Step 2: Convert to fraction form
    2,331/3,260 = 3,260/x
  3. Step 3: Cross multiply
    2,331x = 3,260 × 3,260
  4. Step 4: Simplify right side
    2,331x = 10,627,600
  5. Step 5: Solve for x
    x = 10,627,600/2,331
  6. Step 6: Final answer
    x = 4,559.24

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.