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Finding the Third Proportional to 6,250 and 11,180

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Solution

The third proportional to 6,250 and 11,180 is: 19,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,250 : 11,180 = 11,180 : x
  2. Step 2: Convert to fraction form
    6,250/11,180 = 11,180/x
  3. Step 3: Cross multiply
    6,250x = 11,180 × 11,180
  4. Step 4: Simplify right side
    6,250x = 124,992,400
  5. Step 5: Solve for x
    x = 124,992,400/6,250
  6. Step 6: Final answer
    x = 19,998.78

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.