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Finding the Third Proportional to 36,486 and 54,648

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Solution

The third proportional to 36,486 and 54,648 is: 81,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486 : 54,648 = 54,648 : x
  2. Step 2: Convert to fraction form
    36,486/54,648 = 54,648/x
  3. Step 3: Cross multiply
    36,486x = 54,648 × 54,648
  4. Step 4: Simplify right side
    36,486x = 2,986,403,904
  5. Step 5: Solve for x
    x = 2,986,403,904/36,486
  6. Step 6: Final answer
    x = 81,850.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.