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Finding the Third Proportional to 20,181,020 and 43,052,780

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Solution

The third proportional to 20,181,020 and 43,052,780 is: 91,845,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,020 : 43,052,780 = 43,052,780 : x
  2. Step 2: Convert to fraction form
    20,181,020/43,052,780 = 43,052,780/x
  3. Step 3: Cross multiply
    20,181,020x = 43,052,780 × 43,052,780
  4. Step 4: Simplify right side
    20,181,020x = 1,853,541,865,728,400
  5. Step 5: Solve for x
    x = 1,853,541,865,728,400/20,181,020
  6. Step 6: Final answer
    x = 91,845,796.98

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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.