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Finding the Third Proportional to 11,151,878 and 15,703,801

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Solution

The third proportional to 11,151,878 and 15,703,801 is: 22,113,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151,878 : 15,703,801 = 15,703,801 : x
  2. Step 2: Convert to fraction form
    11,151,878/15,703,801 = 15,703,801/x
  3. Step 3: Cross multiply
    11,151,878x = 15,703,801 × 15,703,801
  4. Step 4: Simplify right side
    11,151,878x = 246,609,365,847,601
  5. Step 5: Solve for x
    x = 246,609,365,847,601/11,151,878
  6. Step 6: Final answer
    x = 22,113,707.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.