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Finding the Third Proportional to 79,439,657.25 and 171,419,832

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Solution

The third proportional to 79,439,657.25 and 171,419,832 is: 369,900,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439,657.25 : 171,419,832 = 171,419,832 : x
  2. Step 2: Convert to fraction form
    79,439,657.25/171,419,832 = 171,419,832/x
  3. Step 3: Cross multiply
    79,439,657.25x = 171,419,832 × 171,419,832
  4. Step 4: Simplify right side
    79,439,657.25x = 29,384,758,802,908,224
  5. Step 5: Solve for x
    x = 29,384,758,802,908,224/79,439,657.25
  6. Step 6: Final answer
    x = 369,900,372.44

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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.