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Finding the Third Proportional to 51,902 and 80,273

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Solution

The third proportional to 51,902 and 80,273 is: 124,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,902 : 80,273 = 80,273 : x
  2. Step 2: Convert to fraction form
    51,902/80,273 = 80,273/x
  3. Step 3: Cross multiply
    51,902x = 80,273 × 80,273
  4. Step 4: Simplify right side
    51,902x = 6,443,754,529
  5. Step 5: Solve for x
    x = 6,443,754,529/51,902
  6. Step 6: Final answer
    x = 124,152.34

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.