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Finding the Third Proportional to 79,729.88 and 119,955.38

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Solution

The third proportional to 79,729.88 and 119,955.38 is: 180,475.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729.88 : 119,955.38 = 119,955.38 : x
  2. Step 2: Convert to fraction form
    79,729.88/119,955.38 = 119,955.38/x
  3. Step 3: Cross multiply
    79,729.88x = 119,955.38 × 119,955.38
  4. Step 4: Simplify right side
    79,729.88x = 14,389,291,991.39
  5. Step 5: Solve for x
    x = 14,389,291,991.39/79,729.88
  6. Step 6: Final answer
    x = 180,475.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.