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Finding the Third Proportional to 5,140,638 and 11,290,014

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Solution

The third proportional to 5,140,638 and 11,290,014 is: 24,795,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140,638 : 11,290,014 = 11,290,014 : x
  2. Step 2: Convert to fraction form
    5,140,638/11,290,014 = 11,290,014/x
  3. Step 3: Cross multiply
    5,140,638x = 11,290,014 × 11,290,014
  4. Step 4: Simplify right side
    5,140,638x = 127,464,416,120,196
  5. Step 5: Solve for x
    x = 127,464,416,120,196/5,140,638
  6. Step 6: Final answer
    x = 24,795,446.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.