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Finding the Third Proportional to 18,999.56 and 41,412.52

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Solution

The third proportional to 18,999.56 and 41,412.52 is: 90,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.56 : 41,412.52 = 41,412.52 : x
  2. Step 2: Convert to fraction form
    18,999.56/41,412.52 = 41,412.52/x
  3. Step 3: Cross multiply
    18,999.56x = 41,412.52 × 41,412.52
  4. Step 4: Simplify right side
    18,999.56x = 1,714,996,450.39
  5. Step 5: Solve for x
    x = 1,714,996,450.39/18,999.56
  6. Step 6: Final answer
    x = 90,265.05

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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.