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Finding the Third Proportional to 87,548 and 135,824

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Solution

The third proportional to 87,548 and 135,824 is: 210,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548 : 135,824 = 135,824 : x
  2. Step 2: Convert to fraction form
    87,548/135,824 = 135,824/x
  3. Step 3: Cross multiply
    87,548x = 135,824 × 135,824
  4. Step 4: Simplify right side
    87,548x = 18,448,158,976
  5. Step 5: Solve for x
    x = 18,448,158,976/87,548
  6. Step 6: Final answer
    x = 210,720.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.