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Finding the Third Proportional to 79,113 and 161,163.50

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Solution

The third proportional to 79,113 and 161,163.50 is: 328,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,113 : 161,163.50 = 161,163.50 : x
  2. Step 2: Convert to fraction form
    79,113/161,163.50 = 161,163.50/x
  3. Step 3: Cross multiply
    79,113x = 161,163.50 × 161,163.50
  4. Step 4: Simplify right side
    79,113x = 25,973,673,732.25
  5. Step 5: Solve for x
    x = 25,973,673,732.25/79,113
  6. Step 6: Final answer
    x = 328,311.07

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.