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Finding the Third Proportional to 18,936 and 28,444

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Solution

The third proportional to 18,936 and 28,444 is: 42,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936 : 28,444 = 28,444 : x
  2. Step 2: Convert to fraction form
    18,936/28,444 = 28,444/x
  3. Step 3: Cross multiply
    18,936x = 28,444 × 28,444
  4. Step 4: Simplify right side
    18,936x = 809,061,136
  5. Step 5: Solve for x
    x = 809,061,136/18,936
  6. Step 6: Final answer
    x = 42,726.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.