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Finding the Third Proportional to 2,690 and 6,010

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Solution

The third proportional to 2,690 and 6,010 is: 13,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690 : 6,010 = 6,010 : x
  2. Step 2: Convert to fraction form
    2,690/6,010 = 6,010/x
  3. Step 3: Cross multiply
    2,690x = 6,010 × 6,010
  4. Step 4: Simplify right side
    2,690x = 36,120,100
  5. Step 5: Solve for x
    x = 36,120,100/2,690
  6. Step 6: Final answer
    x = 13,427.55

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.