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Finding the Third Proportional to 51,830 and 80,036

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Solution

The third proportional to 51,830 and 80,036 is: 123,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830 : 80,036 = 80,036 : x
  2. Step 2: Convert to fraction form
    51,830/80,036 = 80,036/x
  3. Step 3: Cross multiply
    51,830x = 80,036 × 80,036
  4. Step 4: Simplify right side
    51,830x = 6,405,761,296
  5. Step 5: Solve for x
    x = 6,405,761,296/51,830
  6. Step 6: Final answer
    x = 123,591.77

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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.