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Finding the Third Proportional to 27,186 and 41,643

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Solution

The third proportional to 27,186 and 41,643 is: 63,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186 : 41,643 = 41,643 : x
  2. Step 2: Convert to fraction form
    27,186/41,643 = 41,643/x
  3. Step 3: Cross multiply
    27,186x = 41,643 × 41,643
  4. Step 4: Simplify right side
    27,186x = 1,734,139,449
  5. Step 5: Solve for x
    x = 1,734,139,449/27,186
  6. Step 6: Final answer
    x = 63,787.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.