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Finding the Third Proportional to 17,551.50 and 38,505

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Solution

The third proportional to 17,551.50 and 38,505 is: 84,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551.50 : 38,505 = 38,505 : x
  2. Step 2: Convert to fraction form
    17,551.50/38,505 = 38,505/x
  3. Step 3: Cross multiply
    17,551.50x = 38,505 × 38,505
  4. Step 4: Simplify right side
    17,551.50x = 1,482,635,025
  5. Step 5: Solve for x
    x = 1,482,635,025/17,551.50
  6. Step 6: Final answer
    x = 84,473.41

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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.