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Finding the Third Proportional to 44,419.50 and 68,670

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Solution

The third proportional to 44,419.50 and 68,670 is: 106,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,419.50 : 68,670 = 68,670 : x
  2. Step 2: Convert to fraction form
    44,419.50/68,670 = 68,670/x
  3. Step 3: Cross multiply
    44,419.50x = 68,670 × 68,670
  4. Step 4: Simplify right side
    44,419.50x = 4,715,568,900
  5. Step 5: Solve for x
    x = 4,715,568,900/44,419.50
  6. Step 6: Final answer
    x = 106,159.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.