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Finding the Third Proportional to 18,482 and 39,934

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Solution

The third proportional to 18,482 and 39,934 is: 86,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482 : 39,934 = 39,934 : x
  2. Step 2: Convert to fraction form
    18,482/39,934 = 39,934/x
  3. Step 3: Cross multiply
    18,482x = 39,934 × 39,934
  4. Step 4: Simplify right side
    18,482x = 1,594,724,356
  5. Step 5: Solve for x
    x = 1,594,724,356/18,482
  6. Step 6: Final answer
    x = 86,285.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.