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Finding the Third Proportional to 201,625,836 and 311,392,983

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Solution

The third proportional to 201,625,836 and 311,392,983 is: 480,918,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,625,836 : 311,392,983 = 311,392,983 : x
  2. Step 2: Convert to fraction form
    201,625,836/311,392,983 = 311,392,983/x
  3. Step 3: Cross multiply
    201,625,836x = 311,392,983 × 311,392,983
  4. Step 4: Simplify right side
    201,625,836x = 96,965,589,861,638,288
  5. Step 5: Solve for x
    x = 96,965,589,861,638,288/201,625,836
  6. Step 6: Final answer
    x = 480,918,476.45

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