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Finding the Third Proportional to 11,475 and 16,999

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Solution

The third proportional to 11,475 and 16,999 is: 25,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475 : 16,999 = 16,999 : x
  2. Step 2: Convert to fraction form
    11,475/16,999 = 16,999/x
  3. Step 3: Cross multiply
    11,475x = 16,999 × 16,999
  4. Step 4: Simplify right side
    11,475x = 288,966,001
  5. Step 5: Solve for x
    x = 288,966,001/11,475
  6. Step 6: Final answer
    x = 25,182.22

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.