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Finding the Third Proportional to 20,364 and 43,805

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Solution

The third proportional to 20,364 and 43,805 is: 94,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364 : 43,805 = 43,805 : x
  2. Step 2: Convert to fraction form
    20,364/43,805 = 43,805/x
  3. Step 3: Cross multiply
    20,364x = 43,805 × 43,805
  4. Step 4: Simplify right side
    20,364x = 1,918,878,025
  5. Step 5: Solve for x
    x = 1,918,878,025/20,364
  6. Step 6: Final answer
    x = 94,228.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.