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Finding the Third Proportional to 17,608 and 27,276

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Solution

The third proportional to 17,608 and 27,276 is: 42,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608 : 27,276 = 27,276 : x
  2. Step 2: Convert to fraction form
    17,608/27,276 = 27,276/x
  3. Step 3: Cross multiply
    17,608x = 27,276 × 27,276
  4. Step 4: Simplify right side
    17,608x = 743,980,176
  5. Step 5: Solve for x
    x = 743,980,176/17,608
  6. Step 6: Final answer
    x = 42,252.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.