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Finding the Third Proportional to 18,244.41 and 39,217.03

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Solution

The third proportional to 18,244.41 and 39,217.03 is: 84,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.41 : 39,217.03 = 39,217.03 : x
  2. Step 2: Convert to fraction form
    18,244.41/39,217.03 = 39,217.03/x
  3. Step 3: Cross multiply
    18,244.41x = 39,217.03 × 39,217.03
  4. Step 4: Simplify right side
    18,244.41x = 1,537,975,540.06
  5. Step 5: Solve for x
    x = 1,537,975,540.06/18,244.41
  6. Step 6: Final answer
    x = 84,298.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.