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Finding the Third Proportional to 57,621,472 and 124,809,152

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Solution

The third proportional to 57,621,472 and 124,809,152 is: 270,338,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621,472 : 124,809,152 = 124,809,152 : x
  2. Step 2: Convert to fraction form
    57,621,472/124,809,152 = 124,809,152/x
  3. Step 3: Cross multiply
    57,621,472x = 124,809,152 × 124,809,152
  4. Step 4: Simplify right side
    57,621,472x = 15,577,324,422,959,104
  5. Step 5: Solve for x
    x = 15,577,324,422,959,104/57,621,472
  6. Step 6: Final answer
    x = 270,338,883.79

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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.