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Finding the Third Proportional to 18,276 and 37,272

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Solution

The third proportional to 18,276 and 37,272 is: 76,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276 : 37,272 = 37,272 : x
  2. Step 2: Convert to fraction form
    18,276/37,272 = 37,272/x
  3. Step 3: Cross multiply
    18,276x = 37,272 × 37,272
  4. Step 4: Simplify right side
    18,276x = 1,389,201,984
  5. Step 5: Solve for x
    x = 1,389,201,984/18,276
  6. Step 6: Final answer
    x = 76,012.37

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.