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Finding the Third Proportional to 8,100 and 18,762

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Solution

The third proportional to 8,100 and 18,762 is: 43,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100 : 18,762 = 18,762 : x
  2. Step 2: Convert to fraction form
    8,100/18,762 = 18,762/x
  3. Step 3: Cross multiply
    8,100x = 18,762 × 18,762
  4. Step 4: Simplify right side
    8,100x = 352,012,644
  5. Step 5: Solve for x
    x = 352,012,644/8,100
  6. Step 6: Final answer
    x = 43,458.35

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.