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Finding the Third Proportional to 56,274 and 80,427

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Solution

The third proportional to 56,274 and 80,427 is: 114,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,274 : 80,427 = 80,427 : x
  2. Step 2: Convert to fraction form
    56,274/80,427 = 80,427/x
  3. Step 3: Cross multiply
    56,274x = 80,427 × 80,427
  4. Step 4: Simplify right side
    56,274x = 6,468,502,329
  5. Step 5: Solve for x
    x = 6,468,502,329/56,274
  6. Step 6: Final answer
    x = 114,946.55

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.