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Finding the Third Proportional to 3,015 and 6,260

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Solution

The third proportional to 3,015 and 6,260 is: 12,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015 : 6,260 = 6,260 : x
  2. Step 2: Convert to fraction form
    3,015/6,260 = 6,260/x
  3. Step 3: Cross multiply
    3,015x = 6,260 × 6,260
  4. Step 4: Simplify right side
    3,015x = 39,187,600
  5. Step 5: Solve for x
    x = 39,187,600/3,015
  6. Step 6: Final answer
    x = 12,997.55

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.