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Finding the Third Proportional to 11,129,440.50 and 17,703,997.88

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Solution

The third proportional to 11,129,440.50 and 17,703,997.88 is: 28,162,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129,440.50 : 17,703,997.88 = 17,703,997.88 : x
  2. Step 2: Convert to fraction form
    11,129,440.50/17,703,997.88 = 17,703,997.88/x
  3. Step 3: Cross multiply
    11,129,440.50x = 17,703,997.88 × 17,703,997.88
  4. Step 4: Simplify right side
    11,129,440.50x = 313,431,540,758,004.50
  5. Step 5: Solve for x
    x = 313,431,540,758,004.50/11,129,440.50
  6. Step 6: Final answer
    x = 28,162,380.74

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.