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Finding the Third Proportional to 5,811.75 and 12,553.88

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Solution

The third proportional to 5,811.75 and 12,553.88 is: 27,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.75 : 12,553.88 = 12,553.88 : x
  2. Step 2: Convert to fraction form
    5,811.75/12,553.88 = 12,553.88/x
  3. Step 3: Cross multiply
    5,811.75x = 12,553.88 × 12,553.88
  4. Step 4: Simplify right side
    5,811.75x = 157,599,777.52
  5. Step 5: Solve for x
    x = 157,599,777.52/5,811.75
  6. Step 6: Final answer
    x = 27,117.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.