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Finding the Third Proportional to 56,228 and 84,171

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Solution

The third proportional to 56,228 and 84,171 is: 126,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228 : 84,171 = 84,171 : x
  2. Step 2: Convert to fraction form
    56,228/84,171 = 84,171/x
  3. Step 3: Cross multiply
    56,228x = 84,171 × 84,171
  4. Step 4: Simplify right side
    56,228x = 7,084,757,241
  5. Step 5: Solve for x
    x = 7,084,757,241/56,228
  6. Step 6: Final answer
    x = 126,000.52

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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.