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Finding the Third Proportional to 18,518.63 and 39,933

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Solution

The third proportional to 18,518.63 and 39,933 is: 86,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.63 : 39,933 = 39,933 : x
  2. Step 2: Convert to fraction form
    18,518.63/39,933 = 39,933/x
  3. Step 3: Cross multiply
    18,518.63x = 39,933 × 39,933
  4. Step 4: Simplify right side
    18,518.63x = 1,594,644,489
  5. Step 5: Solve for x
    x = 1,594,644,489/18,518.63
  6. Step 6: Final answer
    x = 86,110.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.