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Finding the Third Proportional to 77,944.50 and 167,907.75

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Solution

The third proportional to 77,944.50 and 167,907.75 is: 361,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944.50 : 167,907.75 = 167,907.75 : x
  2. Step 2: Convert to fraction form
    77,944.50/167,907.75 = 167,907.75/x
  3. Step 3: Cross multiply
    77,944.50x = 167,907.75 × 167,907.75
  4. Step 4: Simplify right side
    77,944.50x = 28,193,012,510.06
  5. Step 5: Solve for x
    x = 28,193,012,510.06/77,944.50
  6. Step 6: Final answer
    x = 361,706.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.