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Finding the Third Proportional to 18,540 and 25,938

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Solution

The third proportional to 18,540 and 25,938 is: 36,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540 : 25,938 = 25,938 : x
  2. Step 2: Convert to fraction form
    18,540/25,938 = 25,938/x
  3. Step 3: Cross multiply
    18,540x = 25,938 × 25,938
  4. Step 4: Simplify right side
    18,540x = 672,779,844
  5. Step 5: Solve for x
    x = 672,779,844/18,540
  6. Step 6: Final answer
    x = 36,288.02

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.