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Finding the Third Proportional to 5,118,926 and 11,199,172

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Solution

The third proportional to 5,118,926 and 11,199,172 is: 24,501,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,926 : 11,199,172 = 11,199,172 : x
  2. Step 2: Convert to fraction form
    5,118,926/11,199,172 = 11,199,172/x
  3. Step 3: Cross multiply
    5,118,926x = 11,199,172 × 11,199,172
  4. Step 4: Simplify right side
    5,118,926x = 125,421,453,485,584
  5. Step 5: Solve for x
    x = 125,421,453,485,584/5,118,926
  6. Step 6: Final answer
    x = 24,501,517.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.