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Finding the Third Proportional to 18,920 and 24,888

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Solution

The third proportional to 18,920 and 24,888 is: 32,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920 : 24,888 = 24,888 : x
  2. Step 2: Convert to fraction form
    18,920/24,888 = 24,888/x
  3. Step 3: Cross multiply
    18,920x = 24,888 × 24,888
  4. Step 4: Simplify right side
    18,920x = 619,412,544
  5. Step 5: Solve for x
    x = 619,412,544/18,920
  6. Step 6: Final answer
    x = 32,738.51

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.