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Finding the Third Proportional to 40,263.75 and 87,999.75

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Solution

The third proportional to 40,263.75 and 87,999.75 is: 192,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,263.75 : 87,999.75 = 87,999.75 : x
  2. Step 2: Convert to fraction form
    40,263.75/87,999.75 = 87,999.75/x
  3. Step 3: Cross multiply
    40,263.75x = 87,999.75 × 87,999.75
  4. Step 4: Simplify right side
    40,263.75x = 7,743,956,000.06
  5. Step 5: Solve for x
    x = 7,743,956,000.06/40,263.75
  6. Step 6: Final answer
    x = 192,330.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.