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Finding the Third Proportional to 17,540.30 and 38,490.19

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Solution

The third proportional to 17,540.30 and 38,490.19 is: 84,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.30 : 38,490.19 = 38,490.19 : x
  2. Step 2: Convert to fraction form
    17,540.30/38,490.19 = 38,490.19/x
  3. Step 3: Cross multiply
    17,540.30x = 38,490.19 × 38,490.19
  4. Step 4: Simplify right side
    17,540.30x = 1,481,494,533.79
  5. Step 5: Solve for x
    x = 1,481,494,533.79/17,540.30
  6. Step 6: Final answer
    x = 84,462.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.