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Finding the Third Proportional to 37,253,869 and 81,433,240

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Solution

The third proportional to 37,253,869 and 81,433,240 is: 178,004,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,253,869 : 81,433,240 = 81,433,240 : x
  2. Step 2: Convert to fraction form
    37,253,869/81,433,240 = 81,433,240/x
  3. Step 3: Cross multiply
    37,253,869x = 81,433,240 × 81,433,240
  4. Step 4: Simplify right side
    37,253,869x = 6,631,372,576,897,600
  5. Step 5: Solve for x
    x = 6,631,372,576,897,600/37,253,869
  6. Step 6: Final answer
    x = 178,004,936.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.