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Finding the Third Proportional to 41,918.75 and 90,079.75

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Solution

The third proportional to 41,918.75 and 90,079.75 is: 193,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,918.75 : 90,079.75 = 90,079.75 : x
  2. Step 2: Convert to fraction form
    41,918.75/90,079.75 = 90,079.75/x
  3. Step 3: Cross multiply
    41,918.75x = 90,079.75 × 90,079.75
  4. Step 4: Simplify right side
    41,918.75x = 8,114,361,360.06
  5. Step 5: Solve for x
    x = 8,114,361,360.06/41,918.75
  6. Step 6: Final answer
    x = 193,573.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.