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Finding the Third Proportional to 92,912.50 and 140,239.50

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Solution

The third proportional to 92,912.50 and 140,239.50 is: 211,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,912.50 : 140,239.50 = 140,239.50 : x
  2. Step 2: Convert to fraction form
    92,912.50/140,239.50 = 140,239.50/x
  3. Step 3: Cross multiply
    92,912.50x = 140,239.50 × 140,239.50
  4. Step 4: Simplify right side
    92,912.50x = 19,667,117,360.25
  5. Step 5: Solve for x
    x = 19,667,117,360.25/92,912.50
  6. Step 6: Final answer
    x = 211,673.54

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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.