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Finding the Third Proportional to 15,108.75 and 17,466.75

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Solution

The third proportional to 15,108.75 and 17,466.75 is: 20,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.75 : 17,466.75 = 17,466.75 : x
  2. Step 2: Convert to fraction form
    15,108.75/17,466.75 = 17,466.75/x
  3. Step 3: Cross multiply
    15,108.75x = 17,466.75 × 17,466.75
  4. Step 4: Simplify right side
    15,108.75x = 305,087,355.56
  5. Step 5: Solve for x
    x = 305,087,355.56/15,108.75
  6. Step 6: Final answer
    x = 20,192.76

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.