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Finding the Third Proportional to 68,868 and 106,339.50

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Solution

The third proportional to 68,868 and 106,339.50 is: 164,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,868 : 106,339.50 = 106,339.50 : x
  2. Step 2: Convert to fraction form
    68,868/106,339.50 = 106,339.50/x
  3. Step 3: Cross multiply
    68,868x = 106,339.50 × 106,339.50
  4. Step 4: Simplify right side
    68,868x = 11,308,089,260.25
  5. Step 5: Solve for x
    x = 11,308,089,260.25/68,868
  6. Step 6: Final answer
    x = 164,199.47

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.