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Finding the Third Proportional to 20,836 and 32,278

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Solution

The third proportional to 20,836 and 32,278 is: 50,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836 : 32,278 = 32,278 : x
  2. Step 2: Convert to fraction form
    20,836/32,278 = 32,278/x
  3. Step 3: Cross multiply
    20,836x = 32,278 × 32,278
  4. Step 4: Simplify right side
    20,836x = 1,041,869,284
  5. Step 5: Solve for x
    x = 1,041,869,284/20,836
  6. Step 6: Final answer
    x = 50,003.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.