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Finding the Third Proportional to 5,172,390 and 11,240,100

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Solution

The third proportional to 5,172,390 and 11,240,100 is: 24,425,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,390 : 11,240,100 = 11,240,100 : x
  2. Step 2: Convert to fraction form
    5,172,390/11,240,100 = 11,240,100/x
  3. Step 3: Cross multiply
    5,172,390x = 11,240,100 × 11,240,100
  4. Step 4: Simplify right side
    5,172,390x = 126,339,848,010,000
  5. Step 5: Solve for x
    x = 126,339,848,010,000/5,172,390
  6. Step 6: Final answer
    x = 24,425,816.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.