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Finding the Third Proportional to 7,131,990.75 and 10,834,369.88

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Solution

The third proportional to 7,131,990.75 and 10,834,369.88 is: 16,458,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,990.75 : 10,834,369.88 = 10,834,369.88 : x
  2. Step 2: Convert to fraction form
    7,131,990.75/10,834,369.88 = 10,834,369.88/x
  3. Step 3: Cross multiply
    7,131,990.75x = 10,834,369.88 × 10,834,369.88
  4. Step 4: Simplify right side
    7,131,990.75x = 117,383,570,588,307.52
  5. Step 5: Solve for x
    x = 117,383,570,588,307.52/7,131,990.75
  6. Step 6: Final answer
    x = 16,458,738.48

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.