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Finding the Third Proportional to 18,534 and 27,147

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Solution

The third proportional to 18,534 and 27,147 is: 39,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,534 : 27,147 = 27,147 : x
  2. Step 2: Convert to fraction form
    18,534/27,147 = 27,147/x
  3. Step 3: Cross multiply
    18,534x = 27,147 × 27,147
  4. Step 4: Simplify right side
    18,534x = 736,959,609
  5. Step 5: Solve for x
    x = 736,959,609/18,534
  6. Step 6: Final answer
    x = 39,762.58

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.