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Finding the Third Proportional to 48,518 and 73,653

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Solution

The third proportional to 48,518 and 73,653 is: 111,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,518 : 73,653 = 73,653 : x
  2. Step 2: Convert to fraction form
    48,518/73,653 = 73,653/x
  3. Step 3: Cross multiply
    48,518x = 73,653 × 73,653
  4. Step 4: Simplify right side
    48,518x = 5,424,764,409
  5. Step 5: Solve for x
    x = 5,424,764,409/48,518
  6. Step 6: Final answer
    x = 111,809.32

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.