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Finding the Third Proportional to 120,192.50 and 183,467

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Solution

The third proportional to 120,192.50 and 183,467 is: 280,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,192.50 : 183,467 = 183,467 : x
  2. Step 2: Convert to fraction form
    120,192.50/183,467 = 183,467/x
  3. Step 3: Cross multiply
    120,192.50x = 183,467 × 183,467
  4. Step 4: Simplify right side
    120,192.50x = 33,660,140,089
  5. Step 5: Solve for x
    x = 33,660,140,089/120,192.50
  6. Step 6: Final answer
    x = 280,051.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.