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Finding the Third Proportional to 51,991.50 and 82,644.75

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Solution

The third proportional to 51,991.50 and 82,644.75 is: 131,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.50 : 82,644.75 = 82,644.75 : x
  2. Step 2: Convert to fraction form
    51,991.50/82,644.75 = 82,644.75/x
  3. Step 3: Cross multiply
    51,991.50x = 82,644.75 × 82,644.75
  4. Step 4: Simplify right side
    51,991.50x = 6,830,154,702.56
  5. Step 5: Solve for x
    x = 6,830,154,702.56/51,991.50
  6. Step 6: Final answer
    x = 131,370.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.