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Finding the Third Proportional to 51,827 and 76,039

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Solution

The third proportional to 51,827 and 76,039 is: 111,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,827 : 76,039 = 76,039 : x
  2. Step 2: Convert to fraction form
    51,827/76,039 = 76,039/x
  3. Step 3: Cross multiply
    51,827x = 76,039 × 76,039
  4. Step 4: Simplify right side
    51,827x = 5,781,929,521
  5. Step 5: Solve for x
    x = 5,781,929,521/51,827
  6. Step 6: Final answer
    x = 111,562.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.