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Finding the Third Proportional to 5,261,456 and 11,321,440

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Solution

The third proportional to 5,261,456 and 11,321,440 is: 24,361,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,456 : 11,321,440 = 11,321,440 : x
  2. Step 2: Convert to fraction form
    5,261,456/11,321,440 = 11,321,440/x
  3. Step 3: Cross multiply
    5,261,456x = 11,321,440 × 11,321,440
  4. Step 4: Simplify right side
    5,261,456x = 128,175,003,673,600
  5. Step 5: Solve for x
    x = 128,175,003,673,600/5,261,456
  6. Step 6: Final answer
    x = 24,361,128.11

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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.