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Finding the Third Proportional to 67,918.50 and 104,955.75

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Solution

The third proportional to 67,918.50 and 104,955.75 is: 162,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.50 : 104,955.75 = 104,955.75 : x
  2. Step 2: Convert to fraction form
    67,918.50/104,955.75 = 104,955.75/x
  3. Step 3: Cross multiply
    67,918.50x = 104,955.75 × 104,955.75
  4. Step 4: Simplify right side
    67,918.50x = 11,015,709,458.06
  5. Step 5: Solve for x
    x = 11,015,709,458.06/67,918.50
  6. Step 6: Final answer
    x = 162,190.12

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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.