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Finding the Third Proportional to 13,437.75 and 27,555

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Solution

The third proportional to 13,437.75 and 27,555 is: 56,503.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.75 : 27,555 = 27,555 : x
  2. Step 2: Convert to fraction form
    13,437.75/27,555 = 27,555/x
  3. Step 3: Cross multiply
    13,437.75x = 27,555 × 27,555
  4. Step 4: Simplify right side
    13,437.75x = 759,278,025
  5. Step 5: Solve for x
    x = 759,278,025/13,437.75
  6. Step 6: Final answer
    x = 56,503.36

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.