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Finding the Third Proportional to 5,387,142 and 11,628,852

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Solution

The third proportional to 5,387,142 and 11,628,852 is: 25,102,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,142 : 11,628,852 = 11,628,852 : x
  2. Step 2: Convert to fraction form
    5,387,142/11,628,852 = 11,628,852/x
  3. Step 3: Cross multiply
    5,387,142x = 11,628,852 × 11,628,852
  4. Step 4: Simplify right side
    5,387,142x = 135,230,198,837,904
  5. Step 5: Solve for x
    x = 135,230,198,837,904/5,387,142
  6. Step 6: Final answer
    x = 25,102,401.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.