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Finding the Third Proportional to 51,975 and 80,446.50

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Solution

The third proportional to 51,975 and 80,446.50 is: 124,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975 : 80,446.50 = 80,446.50 : x
  2. Step 2: Convert to fraction form
    51,975/80,446.50 = 80,446.50/x
  3. Step 3: Cross multiply
    51,975x = 80,446.50 × 80,446.50
  4. Step 4: Simplify right side
    51,975x = 6,471,639,362.25
  5. Step 5: Solve for x
    x = 6,471,639,362.25/51,975
  6. Step 6: Final answer
    x = 124,514.47

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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.