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Finding the Third Proportional to 79,435.50 and 165,405

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Solution

The third proportional to 79,435.50 and 165,405 is: 344,415.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,435.50 : 165,405 = 165,405 : x
  2. Step 2: Convert to fraction form
    79,435.50/165,405 = 165,405/x
  3. Step 3: Cross multiply
    79,435.50x = 165,405 × 165,405
  4. Step 4: Simplify right side
    79,435.50x = 27,358,814,025
  5. Step 5: Solve for x
    x = 27,358,814,025/79,435.50
  6. Step 6: Final answer
    x = 344,415.46

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.