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Finding the Third Proportional to 18,791 and 28,893

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Solution

The third proportional to 18,791 and 28,893 is: 44,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791 : 28,893 = 28,893 : x
  2. Step 2: Convert to fraction form
    18,791/28,893 = 28,893/x
  3. Step 3: Cross multiply
    18,791x = 28,893 × 28,893
  4. Step 4: Simplify right side
    18,791x = 834,805,449
  5. Step 5: Solve for x
    x = 834,805,449/18,791
  6. Step 6: Final answer
    x = 44,425.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.