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Finding the Third Proportional to 51,995.25 and 78,360.75

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Solution

The third proportional to 51,995.25 and 78,360.75 is: 118,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.25 : 78,360.75 = 78,360.75 : x
  2. Step 2: Convert to fraction form
    51,995.25/78,360.75 = 78,360.75/x
  3. Step 3: Cross multiply
    51,995.25x = 78,360.75 × 78,360.75
  4. Step 4: Simplify right side
    51,995.25x = 6,140,407,140.56
  5. Step 5: Solve for x
    x = 6,140,407,140.56/51,995.25
  6. Step 6: Final answer
    x = 118,095.54

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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.