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Finding the Third Proportional to 18,485 and 39,526

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Solution

The third proportional to 18,485 and 39,526 is: 84,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485 : 39,526 = 39,526 : x
  2. Step 2: Convert to fraction form
    18,485/39,526 = 39,526/x
  3. Step 3: Cross multiply
    18,485x = 39,526 × 39,526
  4. Step 4: Simplify right side
    18,485x = 1,562,304,676
  5. Step 5: Solve for x
    x = 1,562,304,676/18,485
  6. Step 6: Final answer
    x = 84,517.43

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.