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Finding the Third Proportional to 18,158,404 and 39,185,377

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Solution

The third proportional to 18,158,404 and 39,185,377 is: 84,561,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,404 : 39,185,377 = 39,185,377 : x
  2. Step 2: Convert to fraction form
    18,158,404/39,185,377 = 39,185,377/x
  3. Step 3: Cross multiply
    18,158,404x = 39,185,377 × 39,185,377
  4. Step 4: Simplify right side
    18,158,404x = 1,535,493,770,632,129
  5. Step 5: Solve for x
    x = 1,535,493,770,632,129/18,158,404
  6. Step 6: Final answer
    x = 84,561,053.42

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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.