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Finding the Third Proportional to 18,473.44 and 38,260.69

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Solution

The third proportional to 18,473.44 and 38,260.69 is: 79,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.44 : 38,260.69 = 38,260.69 : x
  2. Step 2: Convert to fraction form
    18,473.44/38,260.69 = 38,260.69/x
  3. Step 3: Cross multiply
    18,473.44x = 38,260.69 × 38,260.69
  4. Step 4: Simplify right side
    18,473.44x = 1,463,880,207.97
  5. Step 5: Solve for x
    x = 1,463,880,207.97/18,473.44
  6. Step 6: Final answer
    x = 79,242.44

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.