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Finding the Third Proportional to 43,251 and 55,263

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Solution

The third proportional to 43,251 and 55,263 is: 70,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251 : 55,263 = 55,263 : x
  2. Step 2: Convert to fraction form
    43,251/55,263 = 55,263/x
  3. Step 3: Cross multiply
    43,251x = 55,263 × 55,263
  4. Step 4: Simplify right side
    43,251x = 3,053,999,169
  5. Step 5: Solve for x
    x = 3,053,999,169/43,251
  6. Step 6: Final answer
    x = 70,611.06

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.