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Finding the Third Proportional to 127,928,760 and 202,394,568

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Solution

The third proportional to 127,928,760 and 202,394,568 is: 320,206,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,928,760 : 202,394,568 = 202,394,568 : x
  2. Step 2: Convert to fraction form
    127,928,760/202,394,568 = 202,394,568/x
  3. Step 3: Cross multiply
    127,928,760x = 202,394,568 × 202,394,568
  4. Step 4: Simplify right side
    127,928,760x = 40,963,561,155,906,624
  5. Step 5: Solve for x
    x = 40,963,561,155,906,624/127,928,760
  6. Step 6: Final answer
    x = 320,206,036.20

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.