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Finding the Third Proportional to 41,179,972 and 87,831,728

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Solution

The third proportional to 41,179,972 and 87,831,728 is: 187,334,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,179,972 : 87,831,728 = 87,831,728 : x
  2. Step 2: Convert to fraction form
    41,179,972/87,831,728 = 87,831,728/x
  3. Step 3: Cross multiply
    41,179,972x = 87,831,728 × 87,831,728
  4. Step 4: Simplify right side
    41,179,972x = 7,714,412,443,465,984
  5. Step 5: Solve for x
    x = 7,714,412,443,465,984/41,179,972
  6. Step 6: Final answer
    x = 187,334,086.66

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.