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Finding the Third Proportional to 3,428,089.50 and 7,121,898

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Solution

The third proportional to 3,428,089.50 and 7,121,898 is: 14,795,830.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,089.50 : 7,121,898 = 7,121,898 : x
  2. Step 2: Convert to fraction form
    3,428,089.50/7,121,898 = 7,121,898/x
  3. Step 3: Cross multiply
    3,428,089.50x = 7,121,898 × 7,121,898
  4. Step 4: Simplify right side
    3,428,089.50x = 50,721,431,122,404
  5. Step 5: Solve for x
    x = 50,721,431,122,404/3,428,089.50
  6. Step 6: Final answer
    x = 14,795,830.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.