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Finding the Third Proportional to 79,893.84 and 120,191.03

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Solution

The third proportional to 79,893.84 and 120,191.03 is: 180,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,893.84 : 120,191.03 = 120,191.03 : x
  2. Step 2: Convert to fraction form
    79,893.84/120,191.03 = 120,191.03/x
  3. Step 3: Cross multiply
    79,893.84x = 120,191.03 × 120,191.03
  4. Step 4: Simplify right side
    79,893.84x = 14,445,883,053.95
  5. Step 5: Solve for x
    x = 14,445,883,053.95/79,893.84
  6. Step 6: Final answer
    x = 180,813.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.