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Finding the Third Proportional to 18,589.50 and 25,366.92

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Solution

The third proportional to 18,589.50 and 25,366.92 is: 34,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.50 : 25,366.92 = 25,366.92 : x
  2. Step 2: Convert to fraction form
    18,589.50/25,366.92 = 25,366.92/x
  3. Step 3: Cross multiply
    18,589.50x = 25,366.92 × 25,366.92
  4. Step 4: Simplify right side
    18,589.50x = 643,480,725.41
  5. Step 5: Solve for x
    x = 643,480,725.41/18,589.50
  6. Step 6: Final answer
    x = 34,615.28

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.