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Finding the Third Proportional to 18,356 and 27,706

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Solution

The third proportional to 18,356 and 27,706 is: 41,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356 : 27,706 = 27,706 : x
  2. Step 2: Convert to fraction form
    18,356/27,706 = 27,706/x
  3. Step 3: Cross multiply
    18,356x = 27,706 × 27,706
  4. Step 4: Simplify right side
    18,356x = 767,622,436
  5. Step 5: Solve for x
    x = 767,622,436/18,356
  6. Step 6: Final answer
    x = 41,818.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.