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Finding the Third Proportional to 8,920.50 and 19,182

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Solution

The third proportional to 8,920.50 and 19,182 is: 41,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.50 : 19,182 = 19,182 : x
  2. Step 2: Convert to fraction form
    8,920.50/19,182 = 19,182/x
  3. Step 3: Cross multiply
    8,920.50x = 19,182 × 19,182
  4. Step 4: Simplify right side
    8,920.50x = 367,949,124
  5. Step 5: Solve for x
    x = 367,949,124/8,920.50
  6. Step 6: Final answer
    x = 41,247.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.