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Finding the Third Proportional to 70,161.50 and 106,993.50

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Solution

The third proportional to 70,161.50 and 106,993.50 is: 163,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.50 : 106,993.50 = 106,993.50 : x
  2. Step 2: Convert to fraction form
    70,161.50/106,993.50 = 106,993.50/x
  3. Step 3: Cross multiply
    70,161.50x = 106,993.50 × 106,993.50
  4. Step 4: Simplify right side
    70,161.50x = 11,447,609,042.25
  5. Step 5: Solve for x
    x = 11,447,609,042.25/70,161.50
  6. Step 6: Final answer
    x = 163,160.84

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.