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Finding the Third Proportional to 18,929 and 26,543

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Solution

The third proportional to 18,929 and 26,543 is: 37,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929 : 26,543 = 26,543 : x
  2. Step 2: Convert to fraction form
    18,929/26,543 = 26,543/x
  3. Step 3: Cross multiply
    18,929x = 26,543 × 26,543
  4. Step 4: Simplify right side
    18,929x = 704,530,849
  5. Step 5: Solve for x
    x = 704,530,849/18,929
  6. Step 6: Final answer
    x = 37,219.65

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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.