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Finding the Third Proportional to 7,327,042 and 11,208,143

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Solution

The third proportional to 7,327,042 and 11,208,143 is: 17,145,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327,042 : 11,208,143 = 11,208,143 : x
  2. Step 2: Convert to fraction form
    7,327,042/11,208,143 = 11,208,143/x
  3. Step 3: Cross multiply
    7,327,042x = 11,208,143 × 11,208,143
  4. Step 4: Simplify right side
    7,327,042x = 125,622,469,508,449
  5. Step 5: Solve for x
    x = 125,622,469,508,449/7,327,042
  6. Step 6: Final answer
    x = 17,145,045.64

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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.