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Finding the Third Proportional to 51,845.50 and 80,060

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Solution

The third proportional to 51,845.50 and 80,060 is: 123,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,845.50 : 80,060 = 80,060 : x
  2. Step 2: Convert to fraction form
    51,845.50/80,060 = 80,060/x
  3. Step 3: Cross multiply
    51,845.50x = 80,060 × 80,060
  4. Step 4: Simplify right side
    51,845.50x = 6,409,603,600
  5. Step 5: Solve for x
    x = 6,409,603,600/51,845.50
  6. Step 6: Final answer
    x = 123,628.93

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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.