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Finding the Third Proportional to 11,237.50 and 16,187

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Solution

The third proportional to 11,237.50 and 16,187 is: 23,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.50 : 16,187 = 16,187 : x
  2. Step 2: Convert to fraction form
    11,237.50/16,187 = 16,187/x
  3. Step 3: Cross multiply
    11,237.50x = 16,187 × 16,187
  4. Step 4: Simplify right side
    11,237.50x = 262,018,969
  5. Step 5: Solve for x
    x = 262,018,969/11,237.50
  6. Step 6: Final answer
    x = 23,316.48

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.