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Finding the Third Proportional to 33,177.75 and 51,378

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Solution

The third proportional to 33,177.75 and 51,378 is: 79,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.75 : 51,378 = 51,378 : x
  2. Step 2: Convert to fraction form
    33,177.75/51,378 = 51,378/x
  3. Step 3: Cross multiply
    33,177.75x = 51,378 × 51,378
  4. Step 4: Simplify right side
    33,177.75x = 2,639,698,884
  5. Step 5: Solve for x
    x = 2,639,698,884/33,177.75
  6. Step 6: Final answer
    x = 79,562.32

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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.