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Finding the Third Proportional to 90,744,984 and 139,481,568

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Solution

The third proportional to 90,744,984 and 139,481,568 is: 214,393,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744,984 : 139,481,568 = 139,481,568 : x
  2. Step 2: Convert to fraction form
    90,744,984/139,481,568 = 139,481,568/x
  3. Step 3: Cross multiply
    90,744,984x = 139,481,568 × 139,481,568
  4. Step 4: Simplify right side
    90,744,984x = 19,455,107,811,738,624
  5. Step 5: Solve for x
    x = 19,455,107,811,738,624/90,744,984
  6. Step 6: Final answer
    x = 214,393,203.39

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.