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Finding the Third Proportional to 18,504 and 40,698.56

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Solution

The third proportional to 18,504 and 40,698.56 is: 89,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504 : 40,698.56 = 40,698.56 : x
  2. Step 2: Convert to fraction form
    18,504/40,698.56 = 40,698.56/x
  3. Step 3: Cross multiply
    18,504x = 40,698.56 × 40,698.56
  4. Step 4: Simplify right side
    18,504x = 1,656,372,989.57
  5. Step 5: Solve for x
    x = 1,656,372,989.57/18,504
  6. Step 6: Final answer
    x = 89,514.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.