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Finding the Third Proportional to 79,881.75 and 175,041

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Solution

The third proportional to 79,881.75 and 175,041 is: 383,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,881.75 : 175,041 = 175,041 : x
  2. Step 2: Convert to fraction form
    79,881.75/175,041 = 175,041/x
  3. Step 3: Cross multiply
    79,881.75x = 175,041 × 175,041
  4. Step 4: Simplify right side
    79,881.75x = 30,639,351,681
  5. Step 5: Solve for x
    x = 30,639,351,681/79,881.75
  6. Step 6: Final answer
    x = 383,558.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.