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Finding the Third Proportional to 18,504.28 and 40,698.84

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Solution

The third proportional to 18,504.28 and 40,698.84 is: 89,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.28 : 40,698.84 = 40,698.84 : x
  2. Step 2: Convert to fraction form
    18,504.28/40,698.84 = 40,698.84/x
  3. Step 3: Cross multiply
    18,504.28x = 40,698.84 × 40,698.84
  4. Step 4: Simplify right side
    18,504.28x = 1,656,395,882.59
  5. Step 5: Solve for x
    x = 1,656,395,882.59/18,504.28
  6. Step 6: Final answer
    x = 89,514.20

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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.