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Finding the Third Proportional to 6,869 and 16,290

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Solution

The third proportional to 6,869 and 16,290 is: 38,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869 : 16,290 = 16,290 : x
  2. Step 2: Convert to fraction form
    6,869/16,290 = 16,290/x
  3. Step 3: Cross multiply
    6,869x = 16,290 × 16,290
  4. Step 4: Simplify right side
    6,869x = 265,364,100
  5. Step 5: Solve for x
    x = 265,364,100/6,869
  6. Step 6: Final answer
    x = 38,632.13

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Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.