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Finding the Third Proportional to 8,624 and 18,888

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Solution

The third proportional to 8,624 and 18,888 is: 41,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624 : 18,888 = 18,888 : x
  2. Step 2: Convert to fraction form
    8,624/18,888 = 18,888/x
  3. Step 3: Cross multiply
    8,624x = 18,888 × 18,888
  4. Step 4: Simplify right side
    8,624x = 356,756,544
  5. Step 5: Solve for x
    x = 356,756,544/8,624
  6. Step 6: Final answer
    x = 41,367.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.