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Finding the Third Proportional to 27,186.75 and 47,880

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Solution

The third proportional to 27,186.75 and 47,880 is: 84,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.75 : 47,880 = 47,880 : x
  2. Step 2: Convert to fraction form
    27,186.75/47,880 = 47,880/x
  3. Step 3: Cross multiply
    27,186.75x = 47,880 × 47,880
  4. Step 4: Simplify right side
    27,186.75x = 2,292,494,400
  5. Step 5: Solve for x
    x = 2,292,494,400/27,186.75
  6. Step 6: Final answer
    x = 84,323.96

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.