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Finding the Third Proportional to 51,956.44 and 78,306.75

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Solution

The third proportional to 51,956.44 and 78,306.75 is: 118,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,956.44 : 78,306.75 = 78,306.75 : x
  2. Step 2: Convert to fraction form
    51,956.44/78,306.75 = 78,306.75/x
  3. Step 3: Cross multiply
    51,956.44x = 78,306.75 × 78,306.75
  4. Step 4: Simplify right side
    51,956.44x = 6,131,947,095.56
  5. Step 5: Solve for x
    x = 6,131,947,095.56/51,956.44
  6. Step 6: Final answer
    x = 118,020.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.