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Finding the Third Proportional to 18,462 and 40,265.63

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Solution

The third proportional to 18,462 and 40,265.63 is: 87,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462 : 40,265.63 = 40,265.63 : x
  2. Step 2: Convert to fraction form
    18,462/40,265.63 = 40,265.63/x
  3. Step 3: Cross multiply
    18,462x = 40,265.63 × 40,265.63
  4. Step 4: Simplify right side
    18,462x = 1,621,320,556.64
  5. Step 5: Solve for x
    x = 1,621,320,556.64/18,462
  6. Step 6: Final answer
    x = 87,819.33

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.