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Finding the Third Proportional to 11,487 and 16,562

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Solution

The third proportional to 11,487 and 16,562 is: 23,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487 : 16,562 = 16,562 : x
  2. Step 2: Convert to fraction form
    11,487/16,562 = 16,562/x
  3. Step 3: Cross multiply
    11,487x = 16,562 × 16,562
  4. Step 4: Simplify right side
    11,487x = 274,299,844
  5. Step 5: Solve for x
    x = 274,299,844/11,487
  6. Step 6: Final answer
    x = 23,879.15

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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.