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Finding the Third Proportional to 18,992 and 28,496

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Solution

The third proportional to 18,992 and 28,496 is: 42,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,992 : 28,496 = 28,496 : x
  2. Step 2: Convert to fraction form
    18,992/28,496 = 28,496/x
  3. Step 3: Cross multiply
    18,992x = 28,496 × 28,496
  4. Step 4: Simplify right side
    18,992x = 812,022,016
  5. Step 5: Solve for x
    x = 812,022,016/18,992
  6. Step 6: Final answer
    x = 42,756.00

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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.