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Finding the Third Proportional to 38,752,128 and 91,349,568

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Solution

The third proportional to 38,752,128 and 91,349,568 is: 215,336,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,752,128 : 91,349,568 = 91,349,568 : x
  2. Step 2: Convert to fraction form
    38,752,128/91,349,568 = 91,349,568/x
  3. Step 3: Cross multiply
    38,752,128x = 91,349,568 × 91,349,568
  4. Step 4: Simplify right side
    38,752,128x = 8,344,743,573,786,624
  5. Step 5: Solve for x
    x = 8,344,743,573,786,624/38,752,128
  6. Step 6: Final answer
    x = 215,336,395.82

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.