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Finding the Third Proportional to 18,452.81 and 39,212.23

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Solution

The third proportional to 18,452.81 and 39,212.23 is: 83,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.81 : 39,212.23 = 39,212.23 : x
  2. Step 2: Convert to fraction form
    18,452.81/39,212.23 = 39,212.23/x
  3. Step 3: Cross multiply
    18,452.81x = 39,212.23 × 39,212.23
  4. Step 4: Simplify right side
    18,452.81x = 1,537,598,711.99
  5. Step 5: Solve for x
    x = 1,537,598,711.99/18,452.81
  6. Step 6: Final answer
    x = 83,325.98

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.