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Finding the Third Proportional to 18,692 and 27,770

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Solution

The third proportional to 18,692 and 27,770 is: 41,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692 : 27,770 = 27,770 : x
  2. Step 2: Convert to fraction form
    18,692/27,770 = 27,770/x
  3. Step 3: Cross multiply
    18,692x = 27,770 × 27,770
  4. Step 4: Simplify right side
    18,692x = 771,172,900
  5. Step 5: Solve for x
    x = 771,172,900/18,692
  6. Step 6: Final answer
    x = 41,256.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.