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Finding the Third Proportional to 83,379.38 and 179,880.75

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Solution

The third proportional to 83,379.38 and 179,880.75 is: 388,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,379.38 : 179,880.75 = 179,880.75 : x
  2. Step 2: Convert to fraction form
    83,379.38/179,880.75 = 179,880.75/x
  3. Step 3: Cross multiply
    83,379.38x = 179,880.75 × 179,880.75
  4. Step 4: Simplify right side
    83,379.38x = 32,357,084,220.56
  5. Step 5: Solve for x
    x = 32,357,084,220.56/83,379.38
  6. Step 6: Final answer
    x = 388,070.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.