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Finding the Third Proportional to 11,245.50 and 16,503.75

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Solution

The third proportional to 11,245.50 and 16,503.75 is: 24,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.50 : 16,503.75 = 16,503.75 : x
  2. Step 2: Convert to fraction form
    11,245.50/16,503.75 = 16,503.75/x
  3. Step 3: Cross multiply
    11,245.50x = 16,503.75 × 16,503.75
  4. Step 4: Simplify right side
    11,245.50x = 272,373,764.06
  5. Step 5: Solve for x
    x = 272,373,764.06/11,245.50
  6. Step 6: Final answer
    x = 24,220.69

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.