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Finding the Third Proportional to 5,220,740 and 11,212,672

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Solution

The third proportional to 5,220,740 and 11,212,672 is: 24,081,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,740 : 11,212,672 = 11,212,672 : x
  2. Step 2: Convert to fraction form
    5,220,740/11,212,672 = 11,212,672/x
  3. Step 3: Cross multiply
    5,220,740x = 11,212,672 × 11,212,672
  4. Step 4: Simplify right side
    5,220,740x = 125,724,013,379,584
  5. Step 5: Solve for x
    x = 125,724,013,379,584/5,220,740
  6. Step 6: Final answer
    x = 24,081,646.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.