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Finding the Third Proportional to 15,105.75 and 17,232

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Solution

The third proportional to 15,105.75 and 17,232 is: 19,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.75 : 17,232 = 17,232 : x
  2. Step 2: Convert to fraction form
    15,105.75/17,232 = 17,232/x
  3. Step 3: Cross multiply
    15,105.75x = 17,232 × 17,232
  4. Step 4: Simplify right side
    15,105.75x = 296,941,824
  5. Step 5: Solve for x
    x = 296,941,824/15,105.75
  6. Step 6: Final answer
    x = 19,657.54

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.