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Finding the Third Proportional to 51,994 and 80,655

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Solution

The third proportional to 51,994 and 80,655 is: 125,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,994 : 80,655 = 80,655 : x
  2. Step 2: Convert to fraction form
    51,994/80,655 = 80,655/x
  3. Step 3: Cross multiply
    51,994x = 80,655 × 80,655
  4. Step 4: Simplify right side
    51,994x = 6,505,229,025
  5. Step 5: Solve for x
    x = 6,505,229,025/51,994
  6. Step 6: Final answer
    x = 125,114.99

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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.