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Finding the Third Proportional to 87,216 and 134,226

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Solution

The third proportional to 87,216 and 134,226 is: 206,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216 : 134,226 = 134,226 : x
  2. Step 2: Convert to fraction form
    87,216/134,226 = 134,226/x
  3. Step 3: Cross multiply
    87,216x = 134,226 × 134,226
  4. Step 4: Simplify right side
    87,216x = 18,016,619,076
  5. Step 5: Solve for x
    x = 18,016,619,076/87,216
  6. Step 6: Final answer
    x = 206,574.70

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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.