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Finding the Third Proportional to 17,177 and 27,428

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Solution

The third proportional to 17,177 and 27,428 is: 43,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177 : 27,428 = 27,428 : x
  2. Step 2: Convert to fraction form
    17,177/27,428 = 27,428/x
  3. Step 3: Cross multiply
    17,177x = 27,428 × 27,428
  4. Step 4: Simplify right side
    17,177x = 752,295,184
  5. Step 5: Solve for x
    x = 752,295,184/17,177
  6. Step 6: Final answer
    x = 43,796.66

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.