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Finding the Third Proportional to 79,791.75 and 163,228.50

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Solution

The third proportional to 79,791.75 and 163,228.50 is: 333,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791.75 : 163,228.50 = 163,228.50 : x
  2. Step 2: Convert to fraction form
    79,791.75/163,228.50 = 163,228.50/x
  3. Step 3: Cross multiply
    79,791.75x = 163,228.50 × 163,228.50
  4. Step 4: Simplify right side
    79,791.75x = 26,643,543,212.25
  5. Step 5: Solve for x
    x = 26,643,543,212.25/79,791.75
  6. Step 6: Final answer
    x = 333,913.51

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.