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Finding the Third Proportional to 48,048 and 71,880

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Solution

The third proportional to 48,048 and 71,880 is: 107,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,048 : 71,880 = 71,880 : x
  2. Step 2: Convert to fraction form
    48,048/71,880 = 71,880/x
  3. Step 3: Cross multiply
    48,048x = 71,880 × 71,880
  4. Step 4: Simplify right side
    48,048x = 5,166,734,400
  5. Step 5: Solve for x
    x = 5,166,734,400/48,048
  6. Step 6: Final answer
    x = 107,532.77

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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.