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Finding the Third Proportional to 83,783.25 and 180,687.75

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Solution

The third proportional to 83,783.25 and 180,687.75 is: 389,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,783.25 : 180,687.75 = 180,687.75 : x
  2. Step 2: Convert to fraction form
    83,783.25/180,687.75 = 180,687.75/x
  3. Step 3: Cross multiply
    83,783.25x = 180,687.75 × 180,687.75
  4. Step 4: Simplify right side
    83,783.25x = 32,648,063,000.06
  5. Step 5: Solve for x
    x = 32,648,063,000.06/83,783.25
  6. Step 6: Final answer
    x = 389,672.91

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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.