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Finding the Third Proportional to 70,420.50 and 95,910.75

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Solution

The third proportional to 70,420.50 and 95,910.75 is: 130,627.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,420.50 : 95,910.75 = 95,910.75 : x
  2. Step 2: Convert to fraction form
    70,420.50/95,910.75 = 95,910.75/x
  3. Step 3: Cross multiply
    70,420.50x = 95,910.75 × 95,910.75
  4. Step 4: Simplify right side
    70,420.50x = 9,198,871,965.56
  5. Step 5: Solve for x
    x = 9,198,871,965.56/70,420.50
  6. Step 6: Final answer
    x = 130,627.76

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.