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Finding the Third Proportional to 91,605,896 and 197,559,568

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Solution

The third proportional to 91,605,896 and 197,559,568 is: 426,061,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,605,896 : 197,559,568 = 197,559,568 : x
  2. Step 2: Convert to fraction form
    91,605,896/197,559,568 = 197,559,568/x
  3. Step 3: Cross multiply
    91,605,896x = 197,559,568 × 197,559,568
  4. Step 4: Simplify right side
    91,605,896x = 39,029,782,908,346,624
  5. Step 5: Solve for x
    x = 39,029,782,908,346,624/91,605,896
  6. Step 6: Final answer
    x = 426,061,908.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.