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Finding the Third Proportional to 68,813 and 106,350.50

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Solution

The third proportional to 68,813 and 106,350.50 is: 164,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813 : 106,350.50 = 106,350.50 : x
  2. Step 2: Convert to fraction form
    68,813/106,350.50 = 106,350.50/x
  3. Step 3: Cross multiply
    68,813x = 106,350.50 × 106,350.50
  4. Step 4: Simplify right side
    68,813x = 11,310,428,850.25
  5. Step 5: Solve for x
    x = 11,310,428,850.25/68,813
  6. Step 6: Final answer
    x = 164,364.71

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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.