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Finding the Third Proportional to 65,989.50 and 106,247.25

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Solution

The third proportional to 65,989.50 and 106,247.25 is: 171,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,989.50 : 106,247.25 = 106,247.25 : x
  2. Step 2: Convert to fraction form
    65,989.50/106,247.25 = 106,247.25/x
  3. Step 3: Cross multiply
    65,989.50x = 106,247.25 × 106,247.25
  4. Step 4: Simplify right side
    65,989.50x = 11,288,478,132.56
  5. Step 5: Solve for x
    x = 11,288,478,132.56/65,989.50
  6. Step 6: Final answer
    x = 171,064.76

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.