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Finding the Third Proportional to 87,320 and 134,296

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Solution

The third proportional to 87,320 and 134,296 is: 206,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320 : 134,296 = 134,296 : x
  2. Step 2: Convert to fraction form
    87,320/134,296 = 134,296/x
  3. Step 3: Cross multiply
    87,320x = 134,296 × 134,296
  4. Step 4: Simplify right side
    87,320x = 18,035,415,616
  5. Step 5: Solve for x
    x = 18,035,415,616/87,320
  6. Step 6: Final answer
    x = 206,543.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.