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Finding the Third Proportional to 18,945,871 and 41,077,899

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Solution

The third proportional to 18,945,871 and 41,077,899 is: 89,063,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945,871 : 41,077,899 = 41,077,899 : x
  2. Step 2: Convert to fraction form
    18,945,871/41,077,899 = 41,077,899/x
  3. Step 3: Cross multiply
    18,945,871x = 41,077,899 × 41,077,899
  4. Step 4: Simplify right side
    18,945,871x = 1,687,393,786,254,201
  5. Step 5: Solve for x
    x = 1,687,393,786,254,201/18,945,871
  6. Step 6: Final answer
    x = 89,063,933.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.